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(Non-preferred) dimensions in parentheses.

Hexagon bolts with split pin hole on shank A and B

GB /T 31.1 - 1988

Display drawing:

国标GB /T31.1 - 1988 GB31.1 31.1GB Hexagon bolts with split pin hole on shank A and B

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P Pitch
d1 max
min
L1 Nominal Size
1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 4 4.5 5
1.85 2.25 2.75 3.5 3.5 4.3 4.3 4.3 5.3 5.3 5.3 6.6 6.6 8.3 8.3
1.6 2 2.5 3.2 3.2 4 4 4 5 5 5 6.3 6.3 8 8
3 4 4 5 5 6 6 6 7 7 8 9 10 12 12
Lh(+ IT 14)
- - - - - - - - - - - - - - -
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - - - -
①,The remaining types and sizes are in accordance with the provisions of GB 5782.

Alternative history