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(Non-preferred) dimensions in parentheses.

Square Head Bolts - Product Grade C

GB 8 - 1976

Display drawing:

 *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 Thread length.
Thread Size
d
M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P Pitch
s max
min
k Nominal Size
max
min
e
r
1.50 1.75 2.0 2.0 2.5 2.5 2.5 3 3 3.5 4 4.5 5
17 19 22 24 27 30 32 36 41 46 55 65 75
16.57 18.48 21.48 23.48 26.48 29.48 31 35 40 45 53.8 63.8 73.8
7 8 9 10 12 13 14 15 17 19 23 26 30
7.58 8.58 9.58 10.58 12.70 13.70 14.70 15.70 17.70 20.30 24.30 27.30 31.30
6.42 7.42 8.42 9.42 11.30 12.30 13.30 14.30 16.30 17.70 21.70 24.70 28.70
24 26.9 31.1 33.9 38.2 42.4 45.2 51 58 65 78 92 106
0.5 0.8 0.8 1 1 1 1 1.5 1.5 1.5 2 2 2
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - -
Length of Thread b
- - - - - - - - - - - - -

Alternative history

Suppliers

Best price if from GlobalFastener.com.
Wenzhou Fengding Fastener Manufacture Co., Ltd.
  • Mr.Huang

  • +86-18857755588/13676725866

  • +86-577-86500568

  • Material: carbon steel,copper,Stainless steel;Surface treatment: according to customers' requirements; Grade: 4.8, 8.8, 10.9, 12.9; Nominal diameter: M3-M20; Nominal length: 5-300mm

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