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(Non-preferred) dimensions in parentheses.

Unit:mm

Bolts, Small Hexagon Head With Holes Through The Head

GB 25 - 1976

Display drawing:

国标GB 25 - 1976 GB25 25GB Bolts, Small Hexagon Head With Holes Through The Head
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 length.
Screw Thread
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P Pitch
s max
min
k Nominal Size
max
min
r
d1
h
e
1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 4 4.5 5
12 14 17 19 22 24 27 30 32 36 41 50 55 65
11.76 13.76 16.76 18.72 21.72 23.72 26.72 29.72 31.66 35.66 40.66 49.66 54.6 64.6
5 6 7 8 9 10 11 12 13 15 17 20 23 26
5.24 6.24 7.29 8.29 9.29 10.29 11.35 12.35 13.35 15.35 17.35 20.42 23.42 26.42
4.76 5.76 6.71 7.71 8.71 9.71 10.65 11.65 12.65 14.65 16.65 19.55 22.58 25.58
0.4 0.4 0.6 0.6 0.6 1 1 1 1 1 1 1.5 1.5 1.5
2 2 2.5 2.5 3 3 3.5 3.5 4 4 4 5 5 5
2.5 3 3.5 4.5 5 6 6.5 7 8 9 10 12 14 16
13.8 16.2 19.6 21.9 25.4 27.7 31.2 34.6 36.9 41.6 47.3 57.7 63.5 75
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - - -
Length of Thread b
- - - - - - - - - - - - - -
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Similar Standards

1 Aerospace series - Bolts, normal hexagonal head, threaded to head, in corrosion resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/425 °C [EN]
EN 2887 - 1995 		Aerospace series - Bolts, normal hexagonal head, threaded to head, in corrosion resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/425 °C
2 Hexagon Bolts With Wire Holes On Head - Fine Pitch Thread [GB]
GB /T 32.3 - 2020 		Hexagon Bolts With Wire Holes On Head - Fine Pitch Thread
3 Hexagon Bolts With Wire Holes On Head - Reduced Shank - Product Grade B [GB]
GB 32.2 - 1988 		Hexagon Bolts With Wire Holes On Head - Reduced Shank - Product Grade B
4 Bolts, Small Hexagon Head With Fit Neck And Holes Through The Head [GB]
GB 26 - 1976 		Bolts, Small Hexagon Head With Fit Neck And Holes Through The Head
5 Hexagon Bolts With Wire Hole On Head-Product Grade A and B [GB]
GB 32.1 - 1988 		Hexagon Bolts With Wire Hole On Head-Product Grade A and B
6 Hexagon Bolts With Wire Holes On Head-fine Pitch Thread-product Grade A And B [GB]
GB 32.3 - 1988 		Hexagon Bolts With Wire Holes On Head-fine Pitch Thread-product Grade A And B
7 Hexagon Bolts With Wire Holes On Head [GB]
GB /T 32.1 - 2020 		Hexagon Bolts With Wire Holes On Head
8 Hexagon bolts with wire holes on head [GOST]
GOST 7798 - 1970 		Hexagon bolts with wire holes on head
9 Hexagon Bolts With Wire Holes On Head, product grade A, Type 3 [GOST]
GOST 7805 (-3) - 1970 		Hexagon Bolts With Wire Holes On Head, product grade A, Type 3