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Click Specification

(Non-preferred) dimensions in parentheses.

Cup head nib bolts

GB /T 13 - 1988

Display drawing:

国标GB /T13 - 1988 GB13 13GB Cup head nib bolts

 *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 M20 M24
P Pitch
b L≤125
125<L≤200
dk max
min
s max
min
k max
max
h1 max
min
ds max
min
h min
r
x max
1.00 1.25 1.50 1.75 2.00 2.00 2.50 3.00
18 22 26 30 34 38 46 54
/ 28 32 36 40 44 52 60
12.10 15.10 18.10 22.30 25.30 29.30 35.60 43.60
10.30 13.30 16.30 20.16 23.16 27.16 33.00 41.00
2.70 2.70 3.80 3.80 4.80 4.80 4.80 6.30
2.30 2.30 3.20 3.20 4.20 4.20 4.20 5.70
4.08 5.28 6.48 8.90 9.90 10.90 13.10 17.10
3.20 4.40 5.60 7.55 8.55 9.55 11.45 15.45
2.70 3.20 3.80 4.30 5.30 5.30 6.30 7.40
2.30 2.80 3.20 3.70 4.70 4.70 5.70 6.60
6.48 8.58 10.58 12.70 14.70 16.70 20.84 24.84
5.52 7.42 9.42 11.30 13.30 15.30 19.16 23.16
4 5 6 7 8 9 11 13
6 7.5 9 11 13 15 18 22
2.5 3.2 3.8 4.2 5 5 6.3 7.5
Weight of per 1000 steel products(≈kg)
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