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This product is regulated by the following standards:

ISO 773 UNI 6604 DIN 6885-1 BS 4235-1 DIN 6885-3 NF E22-177 NF E27-656 DIN 6885-2

Technical data

Standard ISO 773

Rectangular or square parallel keys and their corresponding keyways

Dimensions in mm - source ISO 773 Js9 width tolerance Withdrawn

Publication date: 01/1969
key width b 2 3 4 5 6 8 10 12 14 16 18 20 22
key heigth h 2 3 4 5 6 7 8 8 9 10 11 12 14
for shaft diameters D (over÷to)

6

÷

8

8

÷

10

10

÷

12

12

÷

17

17

÷

22

22

÷

30

30

÷

38

38

÷

44

44

÷

50

50

÷

58

58

÷

65

65

÷

75

75

÷

85

r min 0.08 0.08 0.08 0.16 0.16 0.16 0.25 0.25 0.25 0.25 0.25 0.40 0.40
r max 0.16 0.16 0.16 0.25 0.25 0.25 0.40 .040 0.40 0.40 0.40 0.60 0.60
t1 min 1.0 1.4 1.8 2.3 2.8 3.3 3.3 3.3 3.8 4.3 4.4 4.9 5.4
t1 max 1.1 1.5 1.9 2.4 2.9 3.5 3.5 3.5 4.0 4.5 4.6 5.1 5.6

Dimensions in mm - source ISO 773 Withdrawn

key width b 25 28 32 36 40 45 50 56 63 70 80 90 100
key heigth h 14 16 18 20 22 25 28 32 32 36 40 45 50
for shaft diameters D (over÷to)

85

÷

95

95

÷

110

110

÷

130

130

÷

150

150

÷

170

170

÷

200

200

÷

230

230

÷

260

260

÷

290

290

÷

330

330

÷

380

380

÷

440

440

÷

500

r min 0.40 0.40 0.40 0.70 0.70 0.70 0.70 1.20 1.20 1.20 2.00 2.00 2.00
r max 0.60 0.60 0.60 1.00 1.00 1.00 1.00 1.60 1.60 1.60 2.50 2.50 2.50
t1 min 5.4 6.4 7.4 8.4 9.4 10.4 11.4 12.4 12.4 14.4 15.4 17.4 19.5
t1 max 5.6 6.6 7.6 8.7 9.7 10.7 11.7 12.7 12.7 14.7 15.7 17.7 19.8

Standard UNI 6604

Suppliers of Parallel keys, deep pattern

Parallel keys. Dimensions and application.

Dimensions in mm - source UNI 6604 Withdrawn

Publication date: 12 - 1696

 
key width b max = nom size 2 3 4 5 6 8 10 12 14 16 18 20 22
key width b min  1.975 2.975 3.97 4.97 5.97 7.964 9.964 11.957 13.957 15.957 17.957 19.948 21.948
key heigth h max 2 3 4 5 6 7 8 8 9 10 11 12 14
key heigth h min 1.975 2.975 3.97 4.97 5.97 6.91 7.91 7.91 8.91 9.91 10.89 11.89 13.89
for shaft diameters d1 (over÷to)

6

÷

8

8

÷

10

10

÷

12

12

÷

17

17

÷

22

22

÷

30

30

÷

38

38

÷

44

44

÷

50

50

÷

58

58

÷

65

65

÷

75

75

÷

85

Dimensions in mm - source UNI 6604 Withdrawn

Publication date: 12 - 1696

key width b max = nom size 25 28 32 36 40 45 50 56 63 70 80 90 100
key width b min 24.948 27.948 31.938 35.938 39.938 44.938 49.938 55.926 62.926 69.926 79.926 89.913 99.913
key heigth h max 14 16 18 20 22 25 28 32 32 36 40 45 50
key heigth h min 13.89 15.89 17.89 19.87 21.87 24.87 27.87 31.84 31.84 35.84 39.84 44.84 49.84
for shaft diameters d1 (over÷to)

85

÷

95

95

÷

110

110

÷

130

130

÷

150

150

÷

170

170

÷

200

200

÷

230

230

÷

260

260

÷

290

290

÷

330

330

÷

380

380

÷

440

440

÷

500

                           

 

Standard DIN 6885-1

Drive type fastenings without taper action, parallel keys, keyways - Deep pattern - Part 1: 

Dimensions in mm - source DIN 6885-1 Withdrawn

Publication date: 08/1968 - Supersedes DIN 6885-1: 02/1956
key width b 2 3 4 5 6 8 10 12 14 16 18 20 22
key heigth h 2 3 4 5 6 7 8 8 9 10 11 12 14
for shaft diameters d1 (over÷to)

6

÷

8

8

÷

10

10

÷

12

12

÷

17

17

÷

22

22

÷

30

30

÷

38

38

÷

44

44

÷

50

50

÷

58

58

÷

65

65

÷

75

75

÷

85

groove width b 2 3 4 5 6 8 10 12 14 16 18 20 22
d2=d1+ 2.5 3.5 4 5 6 8 8 8 9 11 11 12 14
depth t1 1.2 1.8 2.5 3 3.5 4 5 5 5.5 6 7 7.5 9
groove depth t2 1 1.4 1.8 2.3 2.8 3.3 3.3 3.3 3.8 4.3 4.4 4.9 5.4

Dimensions in mm - source Din 6885-1

key width b 25 28 32 36 40 45 50 56 63 70 80 90 100
key heigth h 14 16 18 20 22 25 28 32 32 36 40 45 50
for shaft diameters d1 (over÷to)

85

÷

95

95

÷

110

110

÷

130

130

÷

150

150

÷

170

170

÷

200

200

÷

230

230

÷

260

260

÷

290

290

÷

330

330

÷

380

380

÷

440

440

÷

500

groove width b 25 28 32 36 40 45 50 56 63 70 80 90 100
d2=d1+ 14 16 18 21 23 26 28 32 32 36 40 45 50
depth t1 9 10 11 12 13 15 17 20 20 22 25 28 31
groove depth t2 5.4 6.4 7.4 8.4 9.4 10.4 11.4 12.4 12.4 14.4 15.4 17.4 19.5

DIN 6885-1 form B - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

key width b 2 3 4 5 6 8 10 12 14 16 18 20 22
key heigth h 2 3 4 5 6 7 8 8 9 10 11 12 14
nominal length l                          
6 0.188 0.423                      
8 0.251 0.565 1.01                     
10 0.314 0.707  1.26 1.95                   
12 0.377 0.848  1.51  2.35                  
14 0.44 0.989  1.76  2.75 3.94                 
16 0.502 1.13  2.01  3.14  4.52                
18 0.565 1.27  2.26  3.53  5.09  7.93              
20 0.628 1.41  2.51  3.92  5.65  8.8              
22   1.55  2.76  4.32  6.22  9.67 13.8            
25   1.77  3.14  4.91  7.07  11 15.7            
28   1.98  3.52  5.5  7.91  12.3 17.6 12.1          
32   2.26  4.02  6.28  9.04  14.1 20.1 24.1          
36   2.54  4.52  7.06  10.2  15.8 22.6 27.1 35.6        
40      5.02  7.85  11.3  17.6 25.1 30.1 39.6        
45      5.65  8.83  12.7  19.8 28.3 33.9 44.5 56.5      
50        9.81  14.1  22 31.4 37.7 49.5 62.8 77.7    
56        11  15.8  24.6 35.2 42.2 55.4 70.3 87 106  
63          17.8  27.7 39.6 47.5 62.3 79.1 97.9 119 152
70          19.8  30.8 44 52.8 69.2 88 109 132 169
80            35.2 50.2 60.3 79.1 100 124 151 193
90            39.6 56.5 67.8 89 113 140 170 218
100             62.8 75.4 98.9 126 155 188 242
110             69.1 82.9 109 138 171 207 266
125               94.2 124 157 194 235 302
140               106 138 176 218 264 338
160                 158 201 249 301 387
180                   226 280 339 435
200                     311 377 484
220                       414 532
250                         604

DIN 6885-1 form B - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

key width b 25 28 32 36 40 45 50 56 63 70 80 90 100
key heigth h 14 16 18 20 22 25 28 32 32 36 40 45 50
nominal length l                          
70 192                        
80 220 281                      
90 247 317 407                    
100 275 352 452 565                  
110 302 387 497 622 760                
125 343 440 565 706 863 1100              
140 385 492 633 791 967 1240 1540            
160 440 563 723 904 1110 1410 1760 2080          
180 485 633 814 1020 1240 1590 1980 2340 2750        
200 550 703 904 1130 1380 1770 2200 2600 3060 3800      
220 604 774 995 1240 1520 1940 2420 2860 3370 4180 5520    
250 687 880 1130 1410 1730 2210 2750 3250 3830 4750 6280 7880  
280 769 985 1270 1580 1930 2470 3080 3640 4290 5320 7030 8820 11000
315   1130 1440 1810 2210 2820 3510 4170 4900 6090 7930 10100 12600
355     1630 2040 2480 3180 3950 4690 5510 6850 9030 11350 14200
400       2260 2760 3530 4400 5200 6120 7600 10040 12600 15700

Standard BS 4235-1

Taper Keys

 

Dimensions in mm - source BS 4235-1  Square parraller keys  

Publication date: 02/1972 
Shaft d nominal diameter

6 ÷ 8

8 ÷ 10 10 ÷ 12 12 ÷ 17 17 ÷ 22
section b x h 2 x 2 3 x 3 4 x 4 5 x 5 6 x 6
widht b nom 2 3 4 5 6
Shaft t1 nom 1.2 1.8 2.5 3 3.5
Hub t2 nom 1.4 1.8 2.3 2.8 -
Radius max 0.16 0.16 0.16 0.25 0.25
Radius min 0.08 0.08 0.08 0.16 0.16

 

 

Dimensions in mm - source BS 4235-1 rectangular parallel keys 

Publication date: 02/1972 
Shaft d nominal diameter

22÷30

30÷38 38÷44 44÷50 50÷58 58÷65 65÷75 75÷85 85÷95 95÷110 110÷130 130÷150 150÷170 170÷200 200÷230 230÷260 260÷290 290÷330 330÷380 380÷440 440÷500
section b x h 8x7 10x8 12x8 14x9 16x10 18x11 20x12 22x14 25x14 28x16 32x18 36x20 40x22 45x25 50x28 56x32 63x32 70x36 80x40 90x45 100x50
widht b nom

8

10 12 14 16 18 20 22 25 28 32 36 40 45 50 56 63 70 80 90 100
Shaft t1 nom 4 5 5 5.5 6 7 7.5 9 9 10 11 12 13 15 17 20 22 25 28 31 -
Hub t2 nom 3.3 3.3 3.3 3.8 4.3 4.4 4.9 5.4 5.4 6.4 7.4 8.4 9.4

10.4

11.4 12.4 12.4 14.4 15.4 17.4 19.5
Radius max 0.25 0.40 0.40 0.40 0.40 0.40 0.60 0.60 0.60 0.60 0.60 1.00 1.00 1.00 1.00 1.60 1.60 1.60 2.50 2.50 2.50
Radius min 0.16 0.25 0.25 0.25 0.25 0.25 0.40 0.40 0.40 0.40 0.40 0.70 0.70 0.70 0.70 1.20 1.20 1.20 2.00 2.00 2.00

Standard DIN 6885-3

Parallel Keys Shallow Pattern part 3

 

Dimensions in mm - source Din 6885-3 1956

Publication date: 02/1956 - Supersedes partially DIN 6885-1 edition 08/1943
key width b 5 6 8 10 12 14 16 18 20 22 25 28 32 36
key heigth h 3 4 5 6 6 6 7 7 8 9 9 10 11 12
for shaft diameters d1 (over÷to)

12

÷

17

17

÷

22

22

÷

30

30

÷

38

38

÷

44

44

÷

50

50

÷

58

58

÷

65

65

÷

75

75

÷

85

85

÷

95

95

÷

110

110

÷

130

130

÷

150

groove width b 5 6 8 10 12 14 16 18 20 22 25 28 32 36
d2 d1+3 d1+4 d1+5 d1+6 d1+6 d1+6 d1+7 d1+7 d1+8 d1+9 d1+9 d1+10 d1+11 d1+11.5
depth t1 1.9 2.5 3.1 3.7 3.9 4 4.7 4.8 5.4 6 6.2 6.9 7.6 8.3
groove depth t2 0.8 1.1 1.4 1.8 1.6 1.4 1.7 1.6 2 2.4 2.2 2.4 2.7 3

Din 6885-3 form B ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

key width b 5 6 8 10 12 14 16 18 20 22 25 28 32 36
key heigth h 3 4 5 6 6 6 7 7 8 9 9 10 11 12
nominal length l                            
12 1.41                          
14 1.65 2.63                        
16 1.88 3.01                        
18 2.12 3.39 5.65                      
20 2.36 3.77 6.28                      
22 2.59 4.14 6.91 10.4                    
25 2.94 4.71 7.85 11.8                    
28 3.3 5.28 8.79 13.2 15.9                  
32 3.77 6.03 10 15.1 18.1                  
36 4.24 6.78 11.3 17 20.3 20.2                
40 4.71 7.54 12.6 18.8 22.6 24.4                
45 5.3 8.48 14.1 21.2 25.4 29.7 39.6              
50 5.89 9.42 15.7 23.6 28.3 33 44 49.5            
56 6.59 10.6 17.6 26.4 31.6 36.9 49.2 55.4 70.3          
63   11.9 19.8 29.7 35.6 41.5 55.4 62.3 79.1 98        
70   13.2 22 33 39.6 46.2 61.5 69.2 87.9 109 124      
80     25.1 37.7 45.2 52.8 70.3 79.1 100 124 141 176    
90     28.3 42.4 20.9 59.3 79.1 89 113 140 159 198 249  
100       47.1 56.5 69.9 87.9 98.9 126 155 177 220 276 339
110       51.8 62.2 72.5 96.7 109 138 171 194 242 304 373
125         70.6 82.4 110 124 157 194 221 275 345 424
140         79.1 92.3 123 138 176 218 247 308 387 475
160           106 141 158 201 249 283 352 442 543
180             158 178 226 280 318 396 497 610
200               198 251 311 353 440 553 678
220                 276 342 389 484 608 746
250                   389 442 550 691 848
280                     495 615 774 949
315                       692 870 1070
355                         981 1200
400                           1360

Standard NF E22-177

Parallel keys. Dimensions.

Standard NF E27-656

Parallel keys

Standard DIN 6885-2

Parallel keys keyways - Deep pattern for machine tools  Part 2

Dimensions in mm - source DIN 6885-2 Withdrawn

Publication date: 12/1967
width b 4 5 6 8 10 12 14 16 18 20 22 25 28 32 36 40
heigth h 4 5 6 7 8 8 9 10 11 12 14 14 16 18 20 22
for shaft diameters d1 (over÷to)

10

÷

12

12

÷

17

17

÷

22

22

÷

30

30

÷

38

38

÷

44

44

÷

50

50

÷

58

58

÷

65

65

÷

75

75

÷

85

85

÷

95

95

÷

110

110

÷

130

130

÷

150

150

÷

170

width b 3 4 5 6 8 10 12 14 16 18 20 22 25 28 32 36 40
d2 min 3 3.5 4 4.5 5.5 6 7 8 8.5 11 12 12 14 15 18 22
depth t 3 3.8 4.4 5.4 6 6 6.5 7.5 8 8 10 10 11 13 13.7 14
groove depth t2 1.1 1.3 1.7 1.7 2.1 2.1 2.6 2.6 3.1 4.1 4.1 4.1 5.1 5.2 6.5 8.2

DIN 6885-1 form B - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

key width b 4 5 6 8 10 12 14 16 18 20 22 25 28 32 36 40
key heigth h 4 5 6 7 8 8 9 10 11 12 14 14 16 18 20 22
nominal length l                                
10 1.15                              
12 1.40 2.14                            
14 1.65 2.54                            
16 1.90 2.93 4.16                          
18 2.15 3.32 4.73                          
20 2.40 3.71 5.29 8.05                        
22 2.65 4.11 5.86 8.92                        
25 3.03 4.70 6.71 10.3 14.4                      
28 3.41 5.29 7.55 11.6 16.3                      
32 3.91 6.07 8.68 13.4 18.8 22.2                    
36 4.41 6.85 9.84 15.1 21.3 25.2                    
40 4.91 7.64 10.9 16.9 23.8 28.2 36.6                  
45 5.54 8.62 12.3 19.1 27 32 41.5 52.2                
50   9.60 13.7 21.3 30.1 35.8 46.5 58.5 71.7              
56   10.8 15.4 24.9 33.9 40.3 52.4 66 81 97.9            
63     17.4 27 38.3 45.6 59.3 74.8 91.9 111 141          
70     19.4 30.1 42.7 50.9 66.2 83.7 103 124 158 177        
80       34.5 48.9 58.4 76.1 95.7 118 143 182 205 260      
90       39.9 55.2 65.9 86 109 134 162 207 232 296 369    
100         61.5 73.5 95.9 122 149 180 231 260 331 421 521  
110         67.8 81 106 134 165 199 255 287 366 466 578 701
125           92.3 121 153 188 227 291 328 419 534 662 804
140           104 135 172 212 256 327 370 471 602 747 908
160             155 197 243 293 376 425 542 692 860 1050
180               222 274 331 424 280 612 783 973 1180
200                 305 369 473 535 682 873 1090 1360
220                   406 521 589 675 964 1200 1460
250                     593 672 859 1100 1370 1670

Full list of Suppliers of Parallel keys

Germany

Manufacturer of parallel keys, woodruff keys, taper keys, taper keys with gip head, tangential keys and distritubor of bright key steel

Turkey

Manufacturer of feather keys and woodruff keys

Germany

Manufacturer of parallel keys, taper keys, woodruff keys, adjusting rings, rhombus nuts for T slots, tangential key and key steel

France

Manufacturer of standard and special keys

Italy

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

Italy

Manufacturer of joints-keys, spherical bearings

France

Manufacturer of pins and parallel keys

Germany

Manufacturer of bearing lock nuts, parallel keys, precision turned parts for all indutrial branches, according to company standards, DIN standard, as well as customer-specific solutions based on samples

Italy

Manufacturer of parallel keys in metrich and inch sizes, clevis yokes, eye bolts and studs with hole.

China

Manufacturer of retaining rings, circlips, snaprings, disc springs, spring pins, keys.

India

Distributor specialized in parallel and taper keys

Sweden

Manufacturer of pins, spring pins, grooved pins, clevis pins, keys.

Germany

Manufacturer of mechanical fasteners, machines parts and special CNC-turned parts to drawing.

Our range includes:

- CNC turned parts according to customer drawings

- Parallel Keys DIN 6885 - Taper Keys DIN 6886

- Tangential keys DIN 271

- T-nuts and DIN 508 and channel nunts

- Taper Keys DIN 6887

- Grooved pins ISO 8746 (DIN 1476), ISO 8747 (DIN 1477)

- Rivets DIN 7340, DIN 7339 on request

- Woodruff Keys DIN 6888

Germany

Manufacturer of clevises, clevis joints, angle joints, ball joints, rod ends 

Germany

Manufacturer of keys and T-nuts

Italy

Distributor of rings, bushings, lock clips, bearing nuts, lubricating nipples, parallel keys, disc springs, pins

China

Manufacturer of spring pins, cotter pins, lynch pins and parallel keys


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