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Unit:mm

Large square head bolts and bolts with square nut - metric coarse thread - Finish C

UNI 5729 - 1965

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意大利UNI 5729 - 1965 UNI5729 5729UNI Large square head bolts and bolts with square nut - metric coarse thread - Finish C
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 Size
d
M6 M8 M10 M12 M16 M20 M24 M27 M30
P pitch
d1 Nominal Size
max
min
b Tol. +2P, 0 L≤125
125＜L≤200
s max=nominal size
min
e min
s1 max=nominal size
min
e1 min
k Nominal Size
max
min
m max=nominal size
min
r
per 1000 units≈kg nuts
1 1.25 1.5 1.75 2 2.5 3 3 3.5
6 8 10 12 16 20 24 27 30
6.24 8.29 10.29 12.35 16.35 20.42 24.42 27.42 30.42
5.76 7.71 9.71 11.65 15.65 19.58 23.58 26.58 29.58
18 22 26 30 38 46 54 60 66
/ / 32 36 44 52 60 66 72
13 19 22 27 36 41 50 60 65
12.57 18.48 21.16 26.16 35 40 49 58.8 63.8
17 25 28 36 48 54 65 80 85
10 13 17 19 24 30 36 41 46
9.64 12.57 16.57 18.48 23.16 29.16 35 40 45
13 17 22 25 32 40 48 54 60
4 5.5 7 8 10 13 15 17 19
4.375 5.875 7.45 8.45 10.45 13.55 15.55 17.55 19.65
3.625 5.125 6.55 7.55 9.55 12.45 14.45 16.45 18.35
5 6.5 8 10 13 16 19 22 24
3.8 5 6.5 8.5 11.2 14.2 16.9 19.9 21.9
0.5 0.5 0.5 1 1 1 1.6 1.6 1.6
2.77 5.5 13 19.1 38.2 73.5 125 191 265
Weight of per 1000 steel products(≈kg) bolts
- - - - - - - - -
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