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(Non-preferred) dimensions in parentheses.

Unit:mm

Cup head nib bolts with large head

GB 15 - 1976

Display drawing:

国标GB 15 - 1976 GB15 15GB Cup head nib bolts with large head
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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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
M6 M8 M10 M12 (M14) M16 M20 M24
P Pitch
dk Nominal Size
max
min
k Nominal Size
max
min
h max
min
r
1.00 1.25 1.50 1.75 2.00 2.00 2.50 3.00
14 18 23 28 32 35 44 52
15.1 19.1 24.3 29.3 33.6 36.6 45.6 53.9
13.3 17.3 22.16 27.16 31 34 43 50.8
3 4 5 6 7 8 10 12
3.48 4.48 5.48 6.48 7.90 8.90 10.90 13.10
2.70 3.60 4.60 5.60 6.55 7.55 9.55 12.55
3.5 4.3 5.5 6.7 7.7 8.8 9.9 12
2.9 3.5 4.5 5.5 6.3 7.2 8.1 10
11 14 18 22 22 26 32 34
Weight of per 1000 steel products(≈kg)
- - - - - - - -
Length of Thread b
- - - - - - - -

Alternative history

GB 15 - 1976 GB /T 15 - 1988 GB /T 15 - 2013
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Similar Standards

1 Cup Head Nib Bolts [DIN]
DIN 607 - 2010 		Cup Head Nib Bolts
2 Round head nib bolts [DIN]
DIN 607 - 1981 		Round head nib bolts
3 Round Head double nib bolts [ASME/ANSI]
ASME/ANSI B 18.5 - 2008 		Round Head double nib bolts
4 Round Head Fin Neck Bolts,(Inch Series) [Table 5] (A307, SAE J429, F468, F593) [ASME/ANSI]
ASME/ANSI B 18.5 - 2012 		Round Head Fin Neck Bolts,(Inch Series) [Table 5] (A307, SAE J429, F468, F593)
5 Round Head Fin Neck Bolts,(Inch Series) [Table 5] (A307, SAE J429, F468, F593) [ASME]
ASME B 18.5 - 2012 (2017) 		Round Head Fin Neck Bolts,(Inch Series) [Table 5] (A307, SAE J429, F468, F593)
6 Cup head nib bolts [GB]
GB 13 - 1976 		Cup head nib bolts
7 Cup head nib bolts with large head [GB]
GB /T 15 - 1988 		Cup head nib bolts with large head
8 Cup head nib bolts [GB]
GB /T 13 - 1988 		Cup head nib bolts
9 Mushroom Head Nib Bolts [GB]
GB /T 15 - 2013 		Mushroom Head Nib Bolts
10 Cup Head Nib Bolts [GB]
GB /T 13 - 2013 		Cup Head Nib Bolts
11 Black Cup Nibbed Bolts For Iron And Steel Work [BS]
BS 325 - 1947 		Black Cup Nibbed Bolts For Iron And Steel Work
12 Metric Cup Head Nibbed Bolts [BS]
BS 4933 - 1973 		Metric Cup Head Nibbed Bolts
13 ISO Metric Cup Nibbed Head Bolts [AS]
AS /NZS 1390 - 1997 (R2016) 		ISO Metric Cup Nibbed Head Bolts
14 Round Head Nip Bolts [CNS]
CNS 4696 - 1983 		Round Head Nip Bolts