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This product is regulated by the following standards:

DIN EN ISO 4018 (Equivalent standards: BS EN ISO 4018, ISO 4018, UNI EN ISO 4018) DIN EN ISO 4017 (Equivalent standards: BS EN ISO 4017, ISO 4017, UNI EN ISO 4017) DIN 933 DIN 558 BS 1768 2 (Equivalent standard: ASME B18.2.1) UNI 5739 NF E25-114 BS 1083 2 BS 4190 6 BS 4190 10 NF E25-137 BS 1981 16

Technical data

Standard DIN EN ISO 4018

Equivalent standards:
  • BS EN ISO 4018
  • ISO 4018
  • UNI EN ISO 4018

The standard DIN EN ISO 4018 specifies the characteristics of hexagon head screws with threads from M5 up to and including M64, of product grade C.

 

Dimensions in mm source DIN EN ISO 4018 grade C

Publication date: 07- 2011  Supersedes DIN EN ISO 4018 03 - 2001

d thread size

P
k nom
s nom=max
e min
M 5 0.8 3.5 8 8.63
M 6 1 4 10 10.89
M 8 1.25 5.3 13 14.2
M 10 1.5 6.4 16 18.72
M 12 1.75 1.75 18 19.85
M 14 2 8.8 21 22.78
M 16 2 10 24 26.17
M 18 2.5 11.5 27 29.56
M 20 2.5 12.5 30 32.95
M 22 2.5 14 34 37.29
M 24 3 15 36 39.55
M 27 3 17 41 45.2
M 30 3.5 18.7 46 50.85
M 33 3.5 21 50 55.37
M 36 4 22.5 55 60.79
M 39 4 25 60 66.4
M 42 4.5 26 65 71.3
M 45 4.5 28 70 76.95
M 48 5 30 75 82.6
M 52 5 33 80 88.25
M 56 5.5 35 85 93.56
M 60 5.5 38 90 99.21
M 64 6 40 95 104.86

DIN EN ISO 4018  -  commercial items

d thread size
M5
M6
M8
M10
M12

M14

M16

M18

M20
M22
M24 M27
nominal length l                        
10 X                      
12 X X                    
16 X X X                  
20 X X X X                
25 X X X X X              
30 X X X X X X X          
35 X X X X X X X X        
40 X X X X X X X X X      
45 X X X X X X X X X X    
50 X X X X X X X X X X X  
55   X X X X X X X X X X X
60   X X X X X X X X X X X
65     X X X X X X X X X X
70     X X X X X X X X X X
80     X X X X X X X X X X
90       X X X X X X X X X
100       X X X X X X X X X
110         X X X X X X X X
120         X X X X X X X X
130           X X X X X X X
140           X X X X X X X
150             X X X X X X
160             X X X X X X
180               X X X X X
200                 X X X X
220                   X X X
240                     X X
260                       X
280                       X
300                        

DIN EN ISO 4018  -  commercial items

d thread size
M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64
nominal length l                      
60 X                    
65 X X                  
70 X X X                
80 X X X X X            
90 X X X X X            
100 X X X X X X X X      
110 X X X X X X X X X    
120 X X X X X X X X X X X
130 X X X X X X X X X X X
140 X X X X X X X X X X X
150 X X X X X X X X X X X
160 X X X X X X X X X X X
180 X X X X X X X X X X X
200 X X X X X X X X X X X
220 X X X X X X X X X X X
240 X X X X X X X X X X X
260 X X X X X X X X X X X
280 X X X X X X X X X X X
300 X X X X X X X X X X X
320   X X X X X X X X X X
340   X X X X X X X X X X
360   X X X X X X X X X X
380       X X X X X X X X
400       X X X X X X X X
420           X X X X X X
440           X X X X X X
460             X X X X X
480             X X X X X
500               X X X X

Standard DIN EN ISO 4017

Equivalent standards:
  • BS EN ISO 4017
  • ISO 4017
  • UNI EN ISO 4017

This standard (DIN EN ISO 4017) specifies the characteristics of hexagon head screws with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10d or 150 mm, whichever is the shorter.

Dimensions in mm- source DIN EN ISO 4017 Grades A and B

Publication date: 10/2014 - Supersedes DIN EN ISO 4017: 06/2011
d thread size P s   nom=max e min A e min B k nom k min A k min B
M 1.6 0.35 3.20 3.41 3.28 1.1  0.975  0.9
M 2 0.4 4 4.32 4.18 1.4  1.275  1.2
M 2.5 0.45 5 5.45 5.31 1.7  1.575  1.5
M 3 0.5 5.5 6.01 5.88 2  1.875  1.8
M 3.5 0.6 6 6.58 6.44 2.4  2.275  2.2
M 4 0.7 7 7.66 7.5 2.8  2.675  2.6
M 5 0.8 8 8.79 8.63 3.5  3.35  3.26
M 6 1 10 11.05 10.89 4  3.85  3.76
M 8 1.25 13 14.38 14.2 5.3  5.15  5.06
M 10 1.5 16 17.77 17.59 6.4  6.22  6.11
M 12 1.75 18 20.03 19.85 7.5  7.32  7.21
M 14 2 21 23.36 22.78 8.8  8.62  8.51
M 16 2 24 26.75 26.17 10  9.82  9.71
M 18 2.5 27 30.14 29.56 11.5  11.285  11.15
M 20 2.5 30 33.53 32.85 12.5  12.285  12.15
M 22 2.5 34 37.72 37.29 14  13.785  13.65
M 24 3 36 39.98 39.55 15  14.785  14.65
M 27 3 41 45.2 - 17    13.65
M 30 3.5 46 50.85 - 19    18.28
M 33 3.5 50 55.37 - 21    20.58
M 36 4 55 60.79 - 23    22.08
M 39 4 60 66.44 - 25    24.58
M 42 4.5 65 71.3 - 26    25.58
M 45 4.5 70 76.95 - 28    27.58
M 48 5 75 82.6 - 30    29.58
M 52 5 80 88.25 - 33    32.5
M 56 5.5 85 93.56 - 35    34.5
M 60 5.5 90 99.21 - 38    37.5
M 64 6 95 104.86 - 40    39.5

Standard DIN 933

Hexagon head screws

Dimensions in mm- source DIN 933 Withdrawn

Publication date: 09/1987  Supersedes DIN 933: 12/1983
d thread size P s   nom=max k
A B
max min max min
M 1.6 0.35 3.20 1.22 0.98 - -
M 2 0.4 4 1.52 1.28 - -
M 2.5 0.45 5 1.82 1.58 - -
M 3 0.5 5.5 2.12 1.88 - -
M 3.5 0.6 6 2.52 2.28 - -
M 4 0.7 7 2.92 2.68 3 2.8
M 5 0.8 8 3.65 3.35 3.74 3.26
M 6 1 10 4.15 3.85 4.24 3.76
M 7 1 11 4.95 4.65 5.04 4.56
M 8 1.25 13 5.45 5.15 5.54 5.06
M 10 1.5 17 6.56 6.22 6.69 6.11
M 12 1.75 19 7.68 7.32 7.79 7.21
M 14 2 22 8.98 8.62 9.09 8.51
M 16 2 24 10.18 9.82 10.29 9.71
M 18 2.5 27 11.72 11.28 11.85 11.15
M 20 2.5 30 12.72 12.28 12.85 12.15
M 22 2.5 32 14.22 13.78 14.35 13.65
M 24 3 36 15.22 14.78 15.35 14.65
M 27 3 41 - - 17.35 16.65
M 30 3.5 46 - - 19.12 18.28
M 33 3.5 50 - - 21.42 20.58
M 36 4 55 - - 22.92 22.08
M 39 4 60 - - 25.42 24.58
M 42 4.5 65 - - 26.42 25.58
M 45 4.5 70 - - 28.42 27.58
M 48 5 75 - - 30.42 29.58
M 52 5 80 - - 33.5 32.5

 

DIN 933 1987 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size

M 14

M 16 M 18 M 20 M 22 M 24 M 27 M 30 M 33 M 36 M 39 M 42 M 45 M 48 M 52
nominal length l                              
10 38                            
12  40 52.9                          
14 42 55.6                          
16 44  58.3 82 105 13 173                  
18 46 60.9 84.9 110 137 178                  
20 48 63.5  87.2  114  143  184                  
22 50 66.2 92.2 119 148 190 269                
25 53 70.2 95.8 125  155  199  280                
28 55.9 74.2 100 129 161 200 292                
30 57.9 76.9 104 135  168  214  310                
35 62.9 83.5 112 145 180 229  319 424  543 670 869        
40 67.9 90.2 120 155 193 244  336  448  572  714  910  1090  1330 1590  
45 72.9 97.1 128 165 206 259 357 472  601  748  951  1130  1380  1650  
50 77.9 103 136 176 219 274 377 496  630  783  992  1180  1430  1710 2090
55 82.8 110 145 186 232 289 397 519 659 816  1030  1230  1490  1770  2170
60 87.8 117 153 196 244 304 416 543 688 851  1070  1270  1540  1830  2240
65 92.8 123 161 207 257 319 435 566 717 886  1110  1310  1600  1890  2310
70 97.8 130 169 217 269 334 454 590 746 910  1160  1370  1650  1950  2390
75 102 137 177 227 282 348 473 614 775 950  1200  1410  1710  2010  2460
80 107 144 186 238 295 363 492 637 806 990  1240  1460  1760  2080  2540
90 117 157 202 258 321 393 531 685 866 1060 1320  1550  1870  2200  2680
100 127 170 218 279 346 423 569 732 920 1140  1400  1650  1980  2320  2830
110 137 184 235 300 371 453 608 779 978 1200  1460  1740  2090  2450  2970
120 147 197 251 320 397 483 647 827 1040 1260  1560  1840  2190  2570  3120
130 157 210 268 340 421 513 685 874 1090 1330  1650  1930  2300  2690  3260
140 167 224 284 361 448 543 724 921 1150 1400  1730  2020  2410  2820  3410
150 177 237 300 381 473 572 762 969 1210 1470  1810  2120  2520  2940  3550
160 187 248 316 402 498 602 801 1010 1270 1540  1890  2210  2630  3060  3700
170 197 261 332 422 523 632 839 1060 1330 1610  1970  2300  2740  3180  3850
180 207 274 348 442 548 662 875 1110 1390 1680  2050  2400  2850  3310  4000
190 217 287 364 462 573 692 911 1160 1440 1740  2140  2500  2960  3430  4150
200 227 300 380 482 598 722 947 1210 1500 1810  2220  2590  3060  3560  4300

DIN 933 1987 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size M 1.6
M 2
M 2.5
M 3
M 3.5
M 4
M 5
M 6
M 8
M 10

M 12

nominal length l                      
3 0.11  0.2  0.37                
4 0.12  0.21  0.4 0.48              
5 0.13  0.23  0.43 0.53 0.84 1.26          
6 0.14  0.25  0.46 0.57  0.9 1.33 2.18 3.4      
7 0.15 0.27 0.48 0.61 0.96 1.41 2.28 3.57      
8 0.16  0.29  0.49 0.66  1.02 1.49 2.38 3.74  8.5 15.  
10 0.18  0.33  0.52 0.75  1.14 1.64 2.63 4.08 9.10 16.2 23.3
12 0.2  0.36  0.58 0.84  1.26 1.8 2.87 4.42 9.8 17.2  25
14    0.39  0.64 0.92  1.38 1.95 3.12 4.76 10.5 18.2  26.4
16    0.42  0.7 1  1.6 2.1 3.37 5.11 11.1 19.2 27.7
18      0.76 1.09  1.61 2.25 3.62 5.45 11.7 20.2 29.35
20      0.82 1.18  1.73 2.41 3.87 5.8 12.3 21.2 31
22      0.88 1.26  1.85 2.56 4.12 6.15 12.9 22.2 32.55
25      0.94 1.4  2.03 2.8 4.45 6.65 13.9 23.7 34.1
28      1.02 1.52  2.21 3.04 4.86 7.15 14.9 25.2 36.2
30       1.61  2.33 3.19 5.11 7.51 15.5 26.2 37.7
35          2.63 3.57 5.73 8.37 17.1 28.7 41.3
40           3.96 6.35 9.23 18.7 31.2 44.9
45           4.34 6.99 10.1 20.3 33.7 44.5
50           4.73 7.59 11 21.8 36.2 52
55            5.12 8.21 11.85 23.4 38.7 55.6
60            5.5 8.83 12.7 25 41.3 58.2
65            5.89 9.45 13.55 26.6 43.8 62.8
70            6.28  10.1 14.4 28.2 46.3 66.4
75              10.7 15.3 29.8 48.8 70
80              11.3 16.2 31.4 51.3 73.6
90               18 34.6 56.3 90.8
100               19.8 37.7 61.3 88
110               21.6 40.9 66.4 95.2
120               23.4 44.1 71.4 102
130               25.2 47.3 76.4 109
140               27 50.5 81.4 116
150               28.8 53.7 86.4 123
160                 56.9 91.4 130
170                 60.1 96.4 137
180                 63.3 101.4 144
190                 66.5 106.4 151
200                 69.7 111.4 158

Standard DIN 558

Hexagon head screws, fully threaded, product grade C

Dimensions in mm source DIN 558 grade C Withdrawn

Publication date 09 - 1987

d thread size

P
k nom k min
s nom=max
s min e min
M 5 0.8 3.5 3.12 8 7.64 8.63
M 6 1 4 3.62 10 9.64 10.89
M 8 1.25 5.3 4.92 13 12.6 14.2
M 10 1.5 6.4 5.95 16 16.57 18.72
M 12 1.75 1.75 7.05 18 18.5 19.85
M 16 2 10 9.25 24 23.2 26.17
M 20 2.5 12.5 12 30 29 32.95
M 24 3 15 14 36 35 39.55
M 30 3.5 18.7 18 46 45 50.85
M 36 4 22.5 21.5 55 53.8 60.79

DIN 558 - 1987 Approximate weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size
M 5
M 6
M 8
M 10
M 12

M 16

M 20

M 24

M 30
M 36
nominal length l                    
10 2.63                  
12 2.87 4.42                
16 3.37 5.11 11.1 19.2            
20 3.87 5.8 12.3 21.2 31.5          
25 4.49 6.65 13.9 23.7 34.1 70.2        
30 5.11 7.51 15.5 26.2 37.7 76.9 134      
35 5.73 8.37 17.1 28.7 41.3 83.5 145 229    
40 6.35 9.23 18.7 31.2 44.9 90.2 155 244 444  
45   10.1 20.3 33.7 48.5 97.1 165 259 488  
50   11 21.8 36.2 52 103 176 274 492 783
55     23.4 38.7 55.6 110 186 289 515 817
60     25 41.3 58.2 117 196 304 539 851
65     26.6 43.8 62.8 123 207 319 562 886
70       46.3 66.4 130 217 334 586 910
80       51.3 73.6 144 238 363 633 990
90         80.8 157 258 393 681 1060
100         88 170 279 423 728 1140

Standard BS 1768 2

Equivalent standards:
  • ASME B18.2.1

Hexagon head screws fully threaded

Dimensions in inches (1 inch=25.4 mm) source BS 1768 Unified hexagon head screws washer faced

Publication date: 09 / 1963

d Thread size
Nr. of threads UNC

Nr. of threads UNF

k min k max e max
s min
s max
1/4
20 28 0.153 0.163 0.505  0.4305 0.4375
5/16
18 24 0.281 0.211 0.577  0.4930 0.5000
3/8
16 24 0.233 0.243 0.650  0.5545
0.5625
7/16
14 20 0.281 0.291 0.722  0.6170
0.6250
1/2
13 20 0.313 0.323 0.866  0.7420
0.7500
9/16 12 18 0.361 0.371 0.938 0.8045 0.8125
5/8
11 18 0.393 0.403 1.083  0.9295
0.9375
3/4
10 16 0.463 0.483 1.300  1.1150
1.1250
7/8
9 14 0.543 0.563 1.515  1.3005
1.3125
1
8 12 0.597 0.627 1.732  1.4880
1.5000
1-1/8 7 - 0.678 0.718 1.948  1.6575 1.6875
1-1/4 7 - 0.773 0.813 2.165  1.8300 1.8750
1-3/8 6 - 0.838 0.878 2.382  2.0175 2.0625
1-1/2 6 - 0.934 0.974 2.598  2.2050 2.2500
1-3/4 5 - 1.074 1.134 3.031  2.5650 2.6250
2 4.5  - 1.203 1.263 3.464  2.9400 3.0000

 

Standard UNI 5739

Hexagon head screws

Dimensions in mm - source UNI 5739 Withdrawn

Publication date: 1988
d thread size P s   nom=max k
A B
max min max min
M 3 0.5 5.5 2.12 1.88 - -
M 4 0.7 7 2.92 2.68 3 2.8
M 5 0.8 8 3.65 3.35 3.74 3.26
M 6 1 10 4.15 3.85 4.24 3.76
M 7 1 11 4.95 4.65 5.04 4.56
M 8 1.25 13 5.45 5.15 5.54 5.06
M 10 1.5 17 6.56 6.22 6.69 6.11
M 12 1.75 19 7.68 7.32 7.79 7.21
M 14 2 22 8.98 8.62 9.09 8.51
M 16 2 24 10.18 9.82 10.29 9.71
M 18 2.5 27 11.72 11.28 11.85 11.15
M 20 2.5 30 12.72 12.28 12.85 12.15
M 22 2.5 32 14.22 13.78 14.35 13.65
M 24 3 36 15.22 14.78 15.35 14.65
M 27 3 41 - - 17.35 16.65
M 30 3.5 46 - - 19.12 18.28
M 33 3.5 50 - - 21.42 20.58
M 36 4 55 - - 22.92 22.08
M 39 4 60 - - 25.42 24.58
M 42 4.5 65 - - 26.42 25.58
M 45 4.5 70 - - 28.42 27.58
M 48 5 75 - - 30.42 29.58
M 52 5 80 - - 33.5 32.5

Standard NF E25-114

Dimensions in mm- source NF E-25-114 Withdrawn

Publication date: 07/1983
d thread size P s   nom=max k
A B
max min max min
M 1.6 0.35 3.20 1.22 0.98 1.3 0.9
M 2 0.4 4 1.52 1.28 1.6 1.2
M 2.5 0.45 5 1.82 1.58 1.9 1.5
M 3 0.5 5.5 2.12 1.88 2.2 1.8
M 4 0.7 7 2.92 2.68 3 2.6
M 5 0.8 8 3.65 3.35 3.74 3.26
M 6 1 10 4.15 3.85 4.24 3.76
M 8 1.25 13 5.45 5.15 5.54 5.06
M 10 1.5 17 6.56 6.22 6.69 6.11
M 12 1.75 19 7.68 7.32 7.79 7.21
M 16 2 24 10.18 9.82 10.29 9.71
M 20 2.5 30 12.72 12.28 12.85 12.15
M 24 3 36 15.22 14.78 15.35 14.65
M 30 3.5 46 - - 19.12 18.28
M 36 4 55 - - 22.92 22.08
M 42 4.5 65 - - 26.42 25.58
M 48 5 75 - - 30.42 29.58
M 56 5.5 85     35.5 34.5
M 64 6 95     40.5 39.5

Standard BS 1083 2

Dimensions in inches (1 inch=25.4 mm) source BS 1083 Hexagon head screw, fully thread

Publication date: 08 / 1965

d Thread size
Nr. of threads BSW

Nr. of threads BSF

k min k max e max
s min
s mx
1/4
20 26 0.166 0.176 0.51  0.438 0.445
5/16
18 22 0.208 0.218 0.61  0.518 0.525
3/8
16 20 0.250 0.260 0.69  0.592
0.600
7/16
14 18 0.292 0.302 0.82  0.702
0.710
1/2
12 16 0.333 0.343 0.95  0.812
0.820
9/16 12 16 0.365 0.375 1.06 0.912 0.920
5/8
11 14 0.407 0.417 1.17  1.000
1.010
3/4
10 12 0.480 0.500 1.39  1.190
1.200
7/8
9 11 0.563 0.583 1.50  1.288
1.300
1
8 10 0.636 0.666 1.71  1.468
1.480
1-1/8 7 9 0.710 0.750 1.93  1.640 1.670
1-1/4 7 9 0.790 0.830 2.15  1.815 1.860
1-3/8 6 8 0.880 0.920 2.37  2.005 2.050
1-1/2 6 8 0.960 1.000 2.56  2.175 2.220
1-3/4 5  7 1.110 1.170 2.98  2.520 2.580
2 4.5  7 1.270 1.330 3.19  2.700 2.760

 

Standard BS 4190 6

Iso Metric Hexagon Head Screws Faced Under Head Only 

Dimensions in mm- source BS 4190 Table 6 -  Iso Metric Hexagon Head Screws Faced Under Head Only

Publication date: 10 - 2014 supersedes BS 4190: 2001
d thread size Pitch  dw min  r max a max s k
max min max min
M 6 1  0.5  8.7  0.4  2.5 10 9.64 4.24 3.76
M 8 1.25  0.6 11.5   0.8 13 12.57 5.74 5.26
M 10 1.5  0.6 15.5   0.8  3.5 17 16.57 7.29 6.71
M 12 1.75  0.6 17.2   1.25  4 19 18.48 8.29 7.71
M 16 2 0.8   22  1.25  5 24 23.16 10.29 9.71
M 20 2.5  0.8  27.7  1.78  6 30 29.16 13.35 12.65
M 22 2.5  -  -  1.78  6 32 31 14.35 13.65
M 24 3 0.8   33.2  1.78 36 35 15.35 14.65
M 27 3  -  -  2.28 41 40 17.35 16.65
M 30 3.5  0.8 42.7   2.28  8 46 45 19.42 18.58
M 33 3.5  2.28  8 50 49 21.42 20.58
M 36 4  0.8  51.1  2.7  10 55 53.8 23.42 22.58
M 39 4  -  2.7  10 60 58.8 25.42 24.58
M 42 4.5  1 60.8   2.8  11 65 63.8 26.42 25.58
M 45 4.5  -  3.3  11 70 68.8 28.42 27.58
M 48 5  1 70.8  3.8  12 75 73.8 30.42 29.58
M 52 5  - 4.7   12 80 78.8 33.5 32.5
M 56 5.5  -  - 4.9   19 85 83.6 35.5 34.5
M 60 5.5  -  - 4.9   19  90 88.6  38.5  37.5
M 64 6  - 4.9   21  95 93.6  40.5  39.5
M 68 6  - 4.9   21  100 98.6  43.5  42.5

Standard BS 4190 10

Iso Metric Black Hexagon Head Screws

Dimensions in mm- source BS 4190 - 2001 Iso Metric Black Hexagon Head Screws [Table 10]

Publication date: 10 - 2014 supersedes BS 4190: 2001
d thread size Pitch  dw min  r max a max s k
max min max min
M 5 0.8 0.5 6.8 0.35 2 8 7.64 3.875 3.125
M 6 1  0.5  8.7  0.4  2.5 10 9.64 4.375 3.625
M 8 1.25  0.6 11.5   0.8 13 12.57 5.875 5.125
M 10 1.5  0.6 15.5   0.8  3.5 17 16.57 7.45 6.55
M 12 1.75  0.6 17.2   1.25  4 19 18.48 8.45 7.55
M 16 2  0.8   22  1.25  5 24 23.16 10.45 9.55
M 20 2.5  0.8  27.7  1.78  6 30 29.16 13.9 12.1
M 22 2.5  -  -  1.78  6 32 31 14.9 13.1
M 24 3 0.8   33.2  1.78 36 35 15.9 14.1
M 27 3  -  -  2.28 41 40 17.9 16.1
M 30 3.5  0.8 42.7   2.28  8 46 45 20.5 17.95
M 33 3.5  2.28  8 50 49 22.05 19.95
M 36 4  0.8  51.1  2.7  10 55 53.8 24.05 21.95
M 39 4  -  2.7  10 60 58.8 26.05 23.95
M 42 4.5  1 60.8   2.8  11 65 63.8 27.05 24.95
M 45 4.5  -  3.3  11 70 68.8 29.05 26.95
M 48 5  1 70.8  3.8  12 75 73.8 31.05 28.95
M 52 5  - 4.7   12 80 78.8 34.25 31.75
M 56 5.5  -  - 4.9   19 85 83.6 36.25 33.75
M 60 5.5  -  - 4.9   19  90 88.6  39.25  36.75
M 64 6  - 4.9   21  95 93.6  41.25  38.75
M 68 6  - 4.9   21  100 98.6  44.25  41.75

Standard NF E25-137

Hexagon head screws with slot, grade A - Symbol HS. This standard defines multi-drive machine screws allowing assembly-disassembly of the product via an outer hexagon or slot. These short screws are often used for reasons of difficult accessibility, or for 'general public' uses. They are infrequently kept in stock.

NF E25-137 Withdrawn

Dimensions in mm - hex head screws with slot  

Publication date: 12 - 1986

d thread size P k max k min e min s nom t min n max n min
M 3 0.5 2.12 1.88 6.01 5.5 0.8 1 0.86
M 4 0.7 2.92 2.68 7.66 7 1.2 1.51 1.26
M 5 0.8 3.65 3.35 8.79 8 1.5 1.51 1.26
M 6 1 4.15 3.85 11.05 10 1.8 1.91 1.66
M 8 1.25 5.45 5.15 14.38 13 2.2 2.31 2.06
M 10 1.5 6.58 6.22 17.77 16 2.6 2.81 2.56

Standard BS 1981 16

Full list of Suppliers of Hexagon head screws fully threaded

China

Jiaxing Haina Fasteners is a stainless steel fastener supplier. We have a large Stock. The materials include A2 A4, 316Ti, 904L, 2205 and 2507. Our main products are bolts, nuts, screws, threaded bars, washers

Imagewasher_5kkqK3Ov.png ImageSolar-Screw_wMlztI0J.png Imagescrew_H0TzZNXl.png ImageSolar-Bolt_yv68S7zq.png ImageSolar-Bolt-and-Nut_SXHkvMZl.png
Italy

Company leader in the commerce of nuts, bolts.

Range of more than 100.000 products such as screws, bolts, technical articles, industrial wheels, Tie rods for ropes and tools.

Hex head screws Socket cap screws Screws with recess and metric thread Other screws with metric thread Non-metric thread screws
Germany

Lederer is one of the most specialized European supplier of stainless steel fasteners, normed and standardized items, special parts by drawing and C-parts management.

More than 25,000 different articles directly from stock: screws, pins, nuts, rings, washers, made from stainless steel; standard and designed parts; DIN, EN, ISO, L(ederer) and other standards; special parts and special materials.

Image1877_20955.png Image1877_20954.png Image1877_20953.png Image1877_20952.png Image1877_22310.png
Belgium

pgb-Europe holds over 40.000 SKU of fasteners, fixings in stock.

With focus on high product quality and optimal product presentation we are one of the leading suppliers of fasteners in the Benelux.

Image100x100---1_2WFzDdX2.png Image100x100---2_qcrD68Fg.png Image100x100---3_fibqhYdu.png Image100x100---4_TQWJh8mh.png Image100x100---5_0B376LIR.png
Germany

We at TOBSTEEL are your specialist for fasteners made of highly corrosion-resistant stainless steels!  

As a wholesale company, we specialize in the worldwide purchase and sale of rust- and acid-resistant fasteners (standard, special and drawing parts) and have more than 25,000 different fasteners made of the highly corrosion-resistant materials 1.4571 (A5), 1.4462 (DUPLEX) and 1.4529 (HCR) as well as A2 and A4 directly from stock.

Image15_Holzbauschrauben-ART.4790-1_BdczCrcx.jpg Image13_Produktpalette-Zaunbau_4tLDxmBq.jpg Image14_Quadra-Speed-Terrassenbauschraube-ART.9001_GqeiwWeN.jpg Image12_Tobsteel_Produktsortimen_Print_hc4dcT4P.jpg Image11_Oberflaechenbeschichtungen-fuer-besseren-Korrosionsschutz-fuer-Edelstahlschrauben_2RTrU3vZ.jpg
Italy

VIPA is a leading wholesaler of screws, nuts and bolts. The extensive stock of high-quality screws and bolts and the highly automated warehouse make VIPA the ideal supplier of screws, nuts and bolts with metric threads, drawing parts, special screws, washers, nuts and various fastening systems.

ImageVipa-still-11_uE1YdNio.jpg ImageVipa-still-09_kY7aKBVE.jpg ImageVipa-still-75_h2cF6grj.jpg ImageVipa-still-73_iUZ5E0Rq.jpg ImageVipa-still-74_Eq0RSd3j.jpg
Lithuania

Wholesaler and distributor of high quality fasteners

France

Distributor and stockist of standard and special fasteners

Italy

Wholesaler/distributor of screws, nuts and bolts built in different materials, from plain steel to high resistance steel, to stainless steel and brass

Romania

Fasteners for: automobile, ironwork, furniture, producers of aluminum & PVC carpentry, agricultural machinery, mechanical engineering, fine mechanics, wood, metallic structures, food, energetic, chemical, petrochemical, gas, nuclear, nautical.

China

BSC CORPORATION LTD is a group founded in 2005, headquartered in Shanghai and developed in two factories, respectively located in Xinghua, Jiangsu province and Liaocheng, Shandong province.

The company is specialized in washers, stamping parts and other kinds of fasteners. The registered capital amounts to 50 million yuan.

Italy

Distributor of fasteners and tools. 9 warehouses (for a total capacity of 60000 pallet places) are located in northern Italy, working with the industry and retail.

Kanban, consignment stock, vending machines are the services we provide.

Germany

We supply more than 4,000 workshops, carpenters, metal construction companies and industries, in an area of 80 kilometers.

The wide range of about 35,000 items guarantees high availability in stock. Thanks to our fleet of 10 trucks, we are able to provide our customers a reliable and quick service.

Poland

Polish products acc. norm DIN / ISO and drawings

Diameter: M6 to M100 (especially bigger diameter)

Materials: 5.6 / 8.8 / 10.9 / 12.9 / 25CrMo4 / 42CrMo4

Treatment: ZN / HDG (tZn) / flZnnc

 

EN 15048 SB sets 'CE' Made in Poland

EN 14399 HV sets 'CE' Made in Poland

France

Fixner is specialized in the export of a wide range of fasteners products, industrial supplies, and tools.

We offer a wide range of bespoke fasteners and screws and bolts according to DIN, ISO, EN, NF, ANSI, ASME and ASTM standards.

Italy

Producer  of ASTM nuts, ASTM studs, B7 studs, ASTM screws, B7 screws, B16, B8, B8M, L7, L7M, F51, F55, 660, duplex, superduplex, titanium

Turkey

Producer of bolts hot forged, threaded bars, threaded studs and U-studs

Wholesaler of hexagon bolts, screws, nuts, washers and many other fastener items

Bulgaria

Kraft Bulgaria EOOD is a leading BG company specialized in the trade of fasteners, industrial supplies, industrial armature for water, industrial, fire-frightening systems and irrigation sectors.

Our success is due to the high quality of the offered products, the professionalism and qualification of our team, as well as our flexible distribution network.

Italy

PRESSVIT has been on the market since 1967 and specialises in the production of special screws according to drawings. Within the company there is a dedicated machine shop area where modifications to existing equipment are made in order to allow customised machining of products according to customer requirements.

Cold forged special parts are therefore produced not only on time, but also with the utmost flexibility, as each production step is completed completely independently and according to the customer''s instructions.

South Korea

World class manufacturer of bespoke hot forged/heat treated Industrial bolts & nuts and Marine engine components.

Germany

Stainless steel and anti-corrosion fasteners

DIN and standard parts, wood screws, metric screws, tapping screws, washers, nuts and also products such as heavy-duty fastenings, safety screws and solar fastenings as well as special and drawing parts.

Netherlands

Specialists in hot dip galvanized fasteners

Stafa is a leading European importer of fasteners and fixings with a huge range of more than 75,000 products.

Private label packaging, assembled sets and kits, direct manufacturer to customer for large volumes, retail store concepts, special parts and complete project deliveries.

Netherlands

Distributor of standard and special fasteners.

The company supplies fasteners with various types of thread: UNC, UNF, BSW and BSF. The products meet standards such as ISO, DIN, ASTM, ANSI and BS.

Greece

We started in 1959, we distribute more than 25,000 products, and serve more than 200 customers daily.

We are in Greece and the Balkans, we employ 56 staff members, and we have ISO 9001:2015 certification.

Turkey

Manufacturer specialized in self tapping and machine screws.

Diameters: M2-M10 

Lengths: 4-220 mm

Austria

The company Weyland-Steiner is a flexible supplier of norm, standard, drawing and special parts, as well as C-parts management!

Our strength is the rapid procurement of special parts in all materials and surfaces.

Full-service trader of tools, fittings and hardware.

India

Manufacturer of hexagon head screws, high strength fasteners and flanged screws

Germany

Fasteners import-export distributor, specialized in hexagon socket screws and hexagon head screws

Germany

The company offers you their experience and expertise in special connection elements and accessories resulting from over 80 years in business. During the course of this time, they have become a leading stockist of normed special screws.

Italy

Distributor of hex lag screws, chipboard screws, carpentry screws, drywall screws, concrete screws, PVC windows screws, dome and euro screws, metric screws, nuts/washers/bolts/threaded rods, self-tapping screws, self-drilling screws, stainless steel screws.

Afghanistan

Manufacturer of hot dip galvanized fasteners

Brazil

Manufacturer of screws both in metric and inch sizes. Sizes from M3 to M64 with lengths up to 850mm

France

Distributor of fasteners and fixings

Thailand

Manufacturer of hex head screws, carriage bolts and socket cap screws

Afghanistan

Manufacturer of standard and special screws

India

Manufacturer and distributor of bolts M5 - M24, nuts M4 - M24 and threaded rods M6 – M48

Germany

Worldwide manufacturer of special fasteners and automatic assembly machines, wholesaler and supplier of fasteners in steel, stainless steel, brass and plastic.

The assortment includes more than 100,000 items: DIN and standard items, threaded inserts, Normteile, Gewindeeinsätze, fast fixings, adhesives and custom-special parts both in steel and plastic.

Afghanistan

Manufacturer of standard and special bolts, studs and rivets by cold forming in the following material classes: 4,6 - 5,8 - 6,8 - 8,8 - 9,8 - 10,9 - 12,9.

Italy

Manufacturer of hexagon head fasteners in carbon and stainless steel

China

Manufacturer of bolts and nuts from M5 to M56, with lengths up to 300mm. Threaded rods and studs up to M80, lengths up to 8000 mm.

Italy

Manufacturer of hot forged fasteners and nip bolts, from M20 to M64

Italy

Bulloneria Padana, with office and operational headquarters in Milan, Italy: bolts, nuts and related products.

Tools and hardware in San Giuliano Milanese, Via dei Mille, 16, Italy.

Manufacturing of washers uni 6590 and uni 6593.

South Africa

Manufacturer of hexagon head bolts, plough bolts, CSK nibs bolts, cup square bolts and hexagon nuts

Italy

Manufacturing through cold forging technology of steel products, from Ø6 to Ø33 and lengths proportional to the Ø from I = 10mm to I = 240mm

Tensile grades: 4.6 - 5.6 - 8.8 - 9.8 - 10.9 - 12.9 - B7 - B7M

Italy

Producer of  Hexagon, machine and welding screws  in low and high tensile steel.

Producer of special screws on customer requirement.

Croatia

Manufacturer of Hex. head and socket fasteners, wood screws, high tensile fasteners, nuts. Copper and Aluminium fasteners.

Distributor of complete range of fasteners

China

Producer and distributor of many kinds of standard and nonstandard fasteners. Competitive products are: threaded rods, U bolts, nuts, washers, stampings parts, screws, bolts, chains, riggings, rivets, anchors. Material can be carbon steel, stainless steel, brass, nickel alloy and Titanium.

China

Manufacturer of hex socket head cap screws, DIN 912, DIN 913, DIN 914, DIN 915, DIN 916, DIN 7991, DIN 7984, ISO 7380, anchors and auto parts, all made by cold forging.

No MOQ with 15-50 days lead time

Germany

Manufacturer of standard screws as per DIN and special screws as per customers request. Seizes from M 8 up to M 90

Poland

Manufacturer of hexagonal head screws and socket head screws, machine and tapping screws, round head square neck bolts, double end studs. Dia. 3÷16; lengths up to 160 mm

Germany

Manufacturer of hex screws and socket cap screws

Portugal

Distributor with more than 25 years of experience in steel and stainless steel fasteners.

Austria

Biggest distributor of technical articles in Austria. Haberkorn supplies the right fixing for all the applications in the field of metal, steel, wood, terraces, façades and windows. Our products are available in different materials such as steel, stainless steel, brass, plastic and with several surface treatments: zinc plating, hot dip galvanizeing, zinc-nickel plating, zinc flake coating (geomet, delta-tone).

China

Manufacturer specialized in hex head bolts, carriage bolts and rail bolts

India

We manufacture quality fasteners for Structures, Automobile, Telecommunication, Power Transmission, Heavy Earth Moving Machines and General Industrial Purpose.

We supply CE certified EN-15048 assemblies, EN-14399-1, ASTM A325 Assemblies, BS 7419, DIN 603, DIN 7991, Guard Rail Bolts, U-Bolts, Eye-Bolts, Plow Bolts, Wheel Bolts & Nuts, Studs, Pins & Customized  Fasteners

China

Manufacturer and distributor of fasteners

Germany

Manufacturer of hot forged fasteners, stud bolts with reduced shank DIN 2510, DIN 2509

Taiwan

The company is specialized in the production of bespoke fasteners and in the development of components based on customers’ drawings or prototypes. We have various production lines of CNC machining, stamping, milling, muti-stage cold forging and power metallurgy. We assure all the products provided are controlled, checked and meet our customers'' expectations around cost, quality and delivery.

Poland

Manufacturer and supplier of fastening elements for building-, machine-building and electronic industry, engineering, petrochemistry, and motorization.

Germany

Manufacturer of hexagon head screws in high resistance steel, zinc plated and hot dip galvanized

China

Manufacturer and distributor of fasteners and fixings

China

Manufacturer of hex head bolts and carriage bolts

Taiwan

Manufacturer of standard and special fasteners, from M4 to M30, from 1/4' to 1-1/4'.  Lengths from 10 to 300mm and from 1/2' to 12'.

Czech Republic
  • Import/export of standard fasteners and special parts on drawing
  • Delivery just in time of screws, washers, nuts, anchoring systems, riveting techniques
  • Individual and fast service through sales representants
  • Fast reaction to customer demand
  • Quality, price, reliability, service and individual approach
South Korea

Leader manufacturer of hexagon head screws for costruction and high tensile screws. Diameters from M12 to M36. Production plants in Korea, Vietnam and China

Afghanistan

Fasteners distributor in Ukraine, established in 2013.

Mostly we work with standard DIN/ISO items. We keep good stock of stainless steel bolts, nuts, screws.

Every day we invest in customer service improvements and always try to provide quick supply for reasonable price.

UK

Manufacturer of screws, threaded studs and threaded rods in metric and inch sizes

Germany

Manufacturer of hex head and square head fasteners

Portugal

Importer/Wholesaler of fasteners in steel, stainless steel, brass, nylon and titanium.

Spain

Distributor of stainless steel fasteners

India

Manufacturer of screws, nuts, washers and threaded rods

Italy

Fastener distribution: Total completeness with large stock of standard products, medium/high strength items, stainless steel, brass, hot forged and turned parts. More than 50.000 items are supplied with several surface treatments.

Czech Republic

Reliable supplier of a wide selection of fasteners and anchoring technology, operating on the market since 1994. Over 40.000 stock items of quality fastening material conforming to DIN and ISO standards. We are also able to satisfy orders in accordance with individual customer specifications based on drawing submitted by the customers.

Czech Republic

Manufacturer of round head bolts, plough bolts

Estonia

Products in different product groups: Cleaning, Lubrication, Surface Treatment, Glues, Tapes, Electrical and Additives.

USA

Specialist in construction fasteners: drywall screws, deck screws, self tapping screws, self drilling screws, chipboard screws, cement board screws, wood screws, collated screws, stainless steel screws, coated screws.

China

Manufacturer of hexagon head screws, socket cap screws, high strength fasteners

Annual capacity of 120,000 tons

China

Manufacturer of stud bolts, threaded rods, bolts and nuts.

DIN931/DIN933/DIN558 and ASTM A325 hexagon head bolts, DIN934, DIN6923, DIN985 and ASTM A 194 2H nut, DIN960, DIN961, DIN6914, DIN7990, DIN7991, DIN912, DIN7985 screws and DIN975, DIN976, ASTM A 193 B7 threaded rods, as well as other AS, GB, ISO, BS, JIS standard

 

China

Manufacturer of hexagon head fasteners

Afghanistan

Manufacturer of metric and inch size fasteners

Germany

Manufacturer of standard and special fasteners: metric screws, self tapping screws and screws for plastic

Taiwan

Manufacturer of hex head and cap screws

Afghanistan

Manufacturer and distributo of cold formed bolts, nuts and special parts for automotive

Afghanistan

Manufacturer of hexagon bolts and screws (from M6 up to M42), hexagon nuts (from M6 up to M42), and solid rivets (Ø6 – Ø30). GOST Norms

 

UK

Leading specialist in the manufacture and distributor of industrial fasteners, manufacturing up to M64 diameter in Mild steel & High tensile and  up to M39 diameter in A2-304 & A4-316 stainless steel.

Spain

Manufacturer of high strength resistance screws

Iran

Manufacturer of hexagon head, square head, machine and tapping screw. Hexagon nuts and plain washers.

Afghanistan

Manufacturer and distributor of standard fasteners

Germany

Schrauben-Jäger AG is a specialist in the field of fasteners and fixing elements. The company offers personalized and innovative services in the C-parts management to his customers and partners, as per the company motto: „Service around the screw“. In addition to the standard items in every dimension, material and coating, Schrauben-Jäger AG supplies special products on drawing and complementary items.

Afghanistan

Manufacturer of screws and bolts with diameter of 4, 5 , 6, 8, 10 and 12 mm and lengths between 15- 220 m. Hexagon head, round head, with hexagon socket and Whitworth thread as well.

China

One of the largest fasteners manufacturer and exporter in China.

Hexagon and socket screws, high strength hex bolts (ASTM GR5 and GR8, DIN and ISO CL.8.8 and 10.9)

The surface plating includes Black, Zinc Bright, Zinc Yellow, Hot Dip Galvanize, Dacromet, Geomet and others.

Poland

Manufacturer of hot formed fasteners (bolts, screws, nuts, rivets) and railway fasteners

Romania

Manufacturer of standard threaded fasteners to romanian and international standards: STAS, SR-ISO, SR-EN, DIN, ISO, UNI, etc. Specialized in railway fasteners

India

Leading manufacturer of standard and special high tensile fasteners, supplier of leading customers in the automotive and industrial sectors.

India

Manufacturer of Hexagon head fasteners, flanged head screws,  hammer head screws.Diameters M4÷M12. carbon iron and carbon steel

 

Afghanistan

Manufacturer of costruction fasteners, both standard and special. Metric and inch sizes

India

Manufacturer of cold and hot forged fasteners

Spain

Manufacturer of hot forged special fasteners and DIN standard fasteners. Construction, railway and automotive sectors.

Sizes from M16 to M56 and lengths up to 500mm

Italy

Manufacturer of cold forged fasteners

Thailand

Manufacturer of drywall screws, selftapping, selfdrilling and machine screws, hex head and sockets, threaded rods. Metric and inch sizes

India

Manufacturing and exports of High Tensile Automotive & Industrial Fasteners.

Our products also include stainless steel standards and specials, forged and machine parts.

Germany

Valco Industrieaurüstung GmbH has been established as one of the best-known specialists in fasteners technology since years. Our products are used everywhere in industry. We are particularly fast, flexible and reliable.

Tell us your requirements for materials, shapes and dimensions - we will deliver on time with the certificates you need.

Italy

Importer and distributor of fasteners and mechanical fixings

Taiwan

Manufacturer of hexagon head screws, flanged screws and T-head bolts

China

Manufacturer of hexagon head fasteners, socket cap fasteners, steel structural assemblies. Sizes from M6 to M64

China

Manufacturer of hexagon, cap, welding, locking, flanged nuts and hexagon head and hexagon socket head cap screws

Afghanistan

Manufacturer of cold forged screws with hexagon head and socket cap screws.

China

Manufacturer mainly specialized in hex socket screws and hex cap screws in grade 8.8,10.9 and 12.9

China

Manufacturer of socket head bolts, hex head bolts and carriage bolts

China

Specialized manufacturer of steel hex nuts and bolts, HDG fasteners and for steel construction with an yearly production capacity of 110,000 M/T

Poland

Leading manufacturer and supplier of a broad range of fasteners for numerous industrial branches. Owing to the high quality, durability and precise craftsmanship, our products are appreciated by numerous companies from the furniture, construction, electrotechnical and automotive sectors.

We hold a strong position on the domestic and European markets.


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United Kingdom

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