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Products >> Bolts >> Hex flange bolt

Wellbolt can supply both serrated & non serrated Yellow Zinc Plated Hex Flange Bolts.

Material: Carbon steel, Alloy steel, etc.

Standard:
DIN 6921 Hexagon Flange Bolts
ISO 15071  Hexagon Bolts With Flange - Small Series
ISO 4162 Hexagon Bolts With Flange - Small Series
ANSI/ASME B 18.2.3.4M - 2001 Metric Hex Flange Screws
ANSI/ASME B 18.2.3.9M
IFI 536 Metric Hex Flange Screws
IFI 538 Metric Heavy Hex Flange Screws
IFI 111 Hexagon Flange Bolts
DIN 34800  Hexalobular Head Bolts With Small Flange
DIN 34801 Hexalobular head bolts with large flange
EN 1665 (R)  Hexagon Bolt With Flange-Reduced Shank,Type R

 
DIN 6921 - 1983 Hexagon Flange Bolts

 

 






 

 





Screw Thread M5 M6 M8 M10 M12 M14 M16 M20
d                
P Pitch Coarse thread 0.8 1 1.25 1.5 1.75 2 2 2.5
Fine thread-1 / / 1 1.25 1.5 1.5 1.5 1.5
Fine thread-2 / / / 1 1.25 / / /
b L≤125 16 18 22 26 30 34 38 46
125<L≤200 / / 28 32 36 40 44 52
L>200 / / / / / / 57 65
c min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
da Form A max 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4
Form B max 6.2 7.4 10 12.6 15.2 17.7 20.7 25.7
dc max 11.8 14.2 18 22.3 26.6 30.5 35 43
ds max 5 6 8 10 12 14 16 20
min 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
du max 5.5 6.6 9 11 13.5 15.5 17.5 22
dw min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
e min 8.71 10.95 14.26 16.5 17.62 19.86 23.15 29.87
f max 1.4 2 2 2 3 3 3 4
k max 5.4 6.6 8.1 9.2 11.5 12.8 14.4 17.1
k1 min 2 2.5 3.2 3.6 4.6 5.1 5.8 6.8
r1 min 0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.8
r2 max 0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
r3 min 0.1 0.1 0.15 0.2 0.25 0.3 0.35 0.4
r4 3 3.4 4.3 4.3 6.4 6.4 6.4 8.5
s max=nominal size 8 10 13 15 16 18 21 27
min 7.78 9.78 12.73 14.73 15.73 17.73 20.67 26.67


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