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(Non-preferred) dimensions in parentheses.

Unit:mm

Hexagon Bolts With Split Pin Hole On Shank-Fine Pitch Thread-Product Grade A and B

GB 31.3 - 1988

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国标GB 31.3 - 1988 GB31.3 31.3GB Hexagon Bolts With Split Pin Hole On Shank-Fine Pitch Thread-Product Grade A and B
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Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Thread Size
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P pitch
L1 Nominal Size
d1 max
min
1 1.25 1.5 1.5 1.5 2 2 2 2 2 2 3 3 3
4.00 4.00 5.00 5.00 6.00 6.00 6.00 7.00 7.00 8.00 9.00 10.00 12.00 12.00
2.25 2.75 3.50 3.50 4.30 4.30 4.30 5.30 5.30 5.30 6.66 6.66 8.36 8.36
2.00 2.50 3.20 3.20 4.00 4.00 4.00 5.00 5.00 5.00 6.30 6.30 8.00 8.00
Lh（+ IT 14）
- - - - - - - - - - - - - -
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - - -
①,The other types and sizes are specified in GB 5785.
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Similar Standards

1 Hexagon Bolts With Split Pin Hole On Shank [GB]
GB /T 31.1 - 2013 		Hexagon Bolts With Split Pin Hole On Shank
2 Hexagon bolts with split pin hole on shank A and B [GB]
GB /T 31.1 - 1988 		Hexagon bolts with split pin hole on shank A and B
3 Hexagon Bolts With Split Pin Hole On Shank-Reduced Shank-Product Grade B [GB]
GB 31.2 - 1988 		Hexagon Bolts With Split Pin Hole On Shank-Reduced Shank-Product Grade B
4 Bolts, Small Hexagon Head With Hole Through The Shank [GB]
GB 23 - 1976 		Bolts, Small Hexagon Head With Hole Through The Shank
5 Bolts, Small Hexagon Head With Fit Neck And Hole Through The Shank [GB]
GB 24 - 1976 		Bolts, Small Hexagon Head With Fit Neck And Hole Through The Shank
6 Aerospace series - Hexagon bolts, close tolerance, with short-length MJ thread, titanium alloy, nominal tensile strength 1100 MPa, for temperatures up to 315℃ [DIN]
DIN 65526 - 2016 		Aerospace series - Hexagon bolts, close tolerance, with short-length MJ thread, titanium alloy, nominal tensile strength 1100 MPa, for temperatures up to 315℃
7 Unified Hexagon Head Bolts, Washer Faced [BS]
BS 1768 - 1963 		Unified Hexagon Head Bolts, Washer Faced
8 Hexagon bolts with split pin hole on shank [GOST]
GOST 7798 (2) - 1970 		Hexagon bolts with split pin hole on shank
9 Hexagon bolts, Split Pin Hole, product grade A, Type 2 [GOST]
GOST 7805 (-2) - 1970 		Hexagon bolts, Split Pin Hole, product grade A, Type 2