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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Self-Locking Nuts, Reduced Hexagon

GB 1339 - 1988

Display drawing:

国标GB 1339 - 1988 GB1339 1339GB Self-Locking Nuts, Reduced Hexagon
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.
Screw Thread
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
ds max
min
h Nominal Size
max
min
k Nominal Size
max
min
s max=nominal size (h13)
min
e min
per 1000 units≈kg
1.25 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
9 11 13.2 15.5 17.6 19.6 21.6 23.7 25.7
8.9 10.9 13.1 15.4 17.5 19.5 21.5 23.6 25.6
8 10 12 13 15 16.5 18 20 22
8.18 10.18 12.22 13.22 15.22 16.72 18.22 20.26 22.26
7.82 9.82 11.78 12.78 14.78 16.28 17.78 19.74 21.74
4 5.5 6.5 8 9 11 12 12.5 14
4.15 5.65 6.68 8.18 9.18 11.22 12.22 12.72 14.22
3.85 5.35 6.32 7.82 8.82 10.78 11.78 12.28 13.78
12 14 17 19 22 24 27 30 32
11.73 13.73 16.73 18.67 21.67 23.67 26.67 29.67 31.61
13.2 15.5 18.9 21.1 24.5 26.8 30.2 33.6 35.8
3.362 5.659 9.68 13.407 20.19 26.664 36.606 47.953 58.106

Alternative history

GB 1339 - 1977 GB /T 1339 - 1988
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