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Suppliers of Hexagon flange bolts with or without knurled underhead heavy series

This product is regulated by the following standards:

DIN EN 1665 (Equivalent standard: BS EN 1665) DIN 6921

Technical data

Standard DIN EN 1665

Equivalent standards:
  • BS EN 1665

Hexagon flange bolts with or without knurled underhead heavy series

The standard (DIN EN 1665) specifies the characteristics of hexagon head fasteners with flange, with thread sizes from M5 up to M16 enclosed, heavy series, with property classes 8.8, 10.9 and A2-70.

Dimensions in mm - source DIN EN 1665
Publication date: 11/1998 
d thread size
P
b (l<=125)
 b (l>125<=200) b (l>200)
c min
dk max.
 k max ds min dr
e min.
s nom=/max.
M 5
0.8
16
-
-
 1 11.8 5.8 4.82 ≈ rolling dia. 8.71  8
M 6
1
18
-
-
  1.1  14.2 6.6 5.82  '    '  10.95  10
M 8
1.25
22
28
-
  1.2  18 8.1 7.78  '    '  14.26  13
M 10
1.5
26
32
-
  1.5  22.3 10.4 9.78   '    '  17.62  16
M 12
1.75
30
36
-
  1.8  26.6 11.8 11.73   '    '  19.86  18
M 14
2
34
40
-
  2.1  30.5 13.7 13.73   '    '  23.15  21
M 16
2
38
44
57
  2.4  35 15.4 15.73   '    '  26.51  24
M 20 2.5 46 62 65 3 43 18.9 19.67   '    ' 33.23 30

DIN 1665 - commercial items
d thread size M5 M6
M8
M10
M12
M14
M16
M20
nominal length l                
25 X              
30 X X            
35 X X X          
40 X X X X        
45 X X X X X      
50 X X X X X X    
55   X X X X X X  
60   X X X X X X  
65     X X X X X X
70     X X X X X X
80     X X X X X X
90       X X X X X
100       X X X X X
110         X X X X
120         X X X X
130           X X X
140           X X X
150             X X
160             X X
180               X
200               X

Standard DIN 6921

Hexagon head fasteners with flange

 

Dimensions in mm - source DIN  6921 Withdrawn

Publication date : 06/1983
d thread size
P
b (l<=125)
 b (l>125<=200) b (l>200) ds min
c min
dk max.
 k max
e min.
 s nom=max
M 5
0.8
16
-
 -  4.82
1
11.8
 5.4
8.71
 8
M 6
1
18
-
 -  5.82
1.1
14.2
 6.6
10.95
 10
M 8
1.25
22
28
 -  7.78
1.2
18
 8.1
14.26
 13
M 10
1.5
26
32
 -  9.78
1.5
22.3
 9.2 16.5 15
M 12
1.75
30
36
 -  11.73
1.8
26.6
 11.5 17.62 16
M 14
2
34
40
 -  13.73
2.1
30.5
 12.8 19.86 18
M 16
2
38
44
 57  15.73
2.4
35
 14.4
23.15
 21
M 20
2.5
46
52
 65  19.67
3
43
 17.1
29.87
 27

DIN 6921 1983 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size
M5
M6
M8
M10
M12
M14
M16
nominal length l              
10 3.22            
12 3.46 6.94 13.76 24.04      
16 3.94 7.62 15.01 26.01      
20 4.42 8.30 16.25 27.97 44.35    
25 5.25 9.16 17.8 30.42 47.9 66.96 83.82
30 6 10.5 19.36 32.88 51.46 71.83 90.37
35 6.74 11.58 21.77 35.33 55.02 76.71 96.92
40 7.48 12.65 23.68 39.18 58.57 81.58 103.47
45 8.23 13.73 25.6 42.2 64.2 86.46 110
50 8.97 14.8 27.52 45.21 68.54 94.27 116.6
55 9.71 15.88 29.44 48.23 72.87 100.19 126.7
60 10.46 16.96 31.36 51.24 77.21 106.11 134.5
65 11.2 18.03 33.27 54.25 81.55 112.04 142.3
70 11.94 19.11 35.19 57.27 85.89 117.96 150
75 12.68 20.18 37.11 60.28 90.23 123.88 158
80 13.43 21.26 39.03 63.29 94.56 129.81 166
85   22.34 40.95 66.31 98.9 135.73 173
90   23.41 42.87 69.32 103.24 141.65 181
95   24.49 44.78 72.35 107.58 147.58 189
100   25.57 46.7 75.35 111.91 153.5 197
110       81.38 120.59 165.35 212
120       87.4 129.26 177.19 228
130       92.76 137 187.78 242
140         145.68 199.63 257
150           211.47 273

Hex head flanged screws with knurled underhead

Sechskantschrauben mit Flansch mit Rändelschraube Unterkopf

Viti a testa esagonale flangiata zigrinata

Dimensions in mm
d thread size k h dk

s

 nr. of Teeth
M 5
 4.3  0.15 11.2 8 24
M 6
 5.5  0.17 14.2 10 24
M 8
 7  0.2 18.2 13 24
M 10
 7.9  0.25 21 15 24
M 12
 8.7  0.25 24  17  24
M 16
  11.2  0.28  31  22  24

Full list of Suppliers of Hexagon flange bolts with or without knurled underhead heavy series

\n
UK

Staytite

Manufacturer of flanged nuts and screws, SEMS, Screws for plastics

Italy

Kilton S.R.L.

Company specialized in the production of fasteners and fixings for industrial applications in the following fields: automotive, home appliances, mechanical, components, building industry.

Leader in the manufacturing of special fasteners.

Flanged nuts without serration Hexagon weld nuts Thread rolling screws with hexagon washer head Thread forming screws with round head and hexagon socket Viti trilobate testa cilindrica impronta croce philips
France

Avantage Industrie

Distributor and stockist of standard and special fasteners

Turkey

Kaleliler Civata San. Ve Tic. A.Ş.

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 Ltd.

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.

Turkey

Vis Vidasan

Manufacturer specialized in self tapping and machine screws.

Diameters: M2-M10 

Lengths: 4-220 mm

India

A. V. FASTNERS PVT. LTD.

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

Italy

ANNIBALE VITERIE SPA

Manufacturer of special cold forged screws, socket screws and screws with flange.

Size: 3 -16 mm, lengths up to 100 mm . Resistance classes from 4.8 to 12.9.

India

Bhavya Industries

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

Germany

Böllhoff GmbH

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.

Italy

Colombo Special Fasteners S.r.l.

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

DELL'ERA ERMANNO E FIGLO SRL

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

Producer of special screws on customer requirement.

Taiwan

Fareast Metal International Co.Ltd

Manufacturer specialized in dowel pins and flanged screws, with 12 points as well.

Bot metric and imperial sizes.

Taiwan

JINN HER ENTERPRISE CO. LTD

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'.

South Korea

KPF Korea Parts & Fasteners

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

UK

London Screw Company

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

Germany

Lück Schrauben GmbH Schraubenfabrik

Manufacturer of hex head and square head fasteners

Estonia

NB Quality Group LTD

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

China

NINGBO JINDING FASTENING PIECE CO.LTD.

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

Annual capacity of 120,000 tons

Afghanistan

OBEL CIVATA SAN. ve TiC.

Manufacturer of metric and inch size fasteners

Taiwan

OFCO INDUSTRIAL CORP.

Manufacturer of hex head and cap screws

India

SUPER ENGINEERS

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

 

Argentina

TALLER BAIGORRIA

Manufacturer of double-end studs, wheel bolts, screws and nuts for automotive, agricultural, road-building machinery and industrial sectors.

Special pieces according to costumers requirements.

Qualities: 8.8, 10.9, 12.9, G5&G8. Pieces manufacture by cold forging, diameters from 5mm to 22mm (¼” to ?”).

Metallographic Laboratory in our facilities.

ISO 9001 Certificate.

UK

Union Fasteners

Manufacturer of special fasteners in 8.8, 10.9 and 12.9

Taiwan

Wa Tai Industrial Co. Ltd.

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


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