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Professional manufacturer of expansion bolt, hex bolt, hex nut, wedge anchor and tapping screw. All our operations comply with ISO 9001:2000, we seek to supply best quality and provide best price.

Bolt \ Hex Head \ DIN931
DIN931

DIN931 | DIN933 | DIN558 | DIN601 | DIN960 | DIN961 | IFI C-6 | IFI C-10 | ISO4014 | ISO4017 | B.S |


单位:mm
Thread size M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22
Pitch 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5
b L125 14 16 18 22 26 30 34 38 42 46 50
b 125<L200 - 22 24 28 32 36 40 44 48 52 56
b L200 - - - - 45 49 53 57 61 65 69
k 2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5 14
e Grade A 7.66 8.79 11.05 14.38 18.9 21.1 24.49 26.75 30.14 33.53 35.72
e Grade B - 8.63 10.89 14.2 18.72 20.88 23.91 26.17 29.56 32.95 35.03
S 7 8 10 13 17 19 22 24 27 30 32
L 25-40 25-50 30-60 35-80 40-100 45-120 50-140 55-160 64-180 65-200 70-220
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