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Click Specification

Unit:mm

Cup square bolts and bolts with square nut - ISO metric coarse thread - Finish C

UNI 5731 - 1965

Display drawing:

意大利UNI 5731 - 1965 UNI5731 5731UNI Cup square bolts and bolts with square nut - ISO metric coarse thread - Finish C
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 Size
d
M5 M6 M8 M10 M12 M14
P pitch
d1 Nominal Size
max
min
b tol.+2P, 0 L≤125
125＜L≤200
d2 Nominal Size
max
min
r1
k Nominal Size
max
min
c Nominal Size
max
min
r2
t Nominal Size
max
min
s Nominal Size
min
e min
m Nominal Size
min
per 1000 units≈kg nuts
0.8 1 1.25 1.5 1.75 2
5 6 8 10 12 14
5.24 6.24 8.29 10.29 12.35 14.35
4.76 5.76 7.71 9.71 11.65 13.65
16 18 22 26 30 34
/ / / 32 36 40
13 15.5 20 25 30 35
13.55 16.05 20.65 25.65 30.65 35.8
12.45 14.95 19.35 24.35 29.35 34.2
11 13 16 20 24 28
2.5 3 4 5 6 7
2.8 3.3 4.375 5.375 6.375 7.45
2.2 2.7 3.625 4.625 5.625 6.55
3 4 5 6 8 9
3.3 4.375 5.375 6.375 8.45 9.45
2.7 3.625 4.625 5.625 7.55 8.55
0.5 0.5 0.5 0.5 1 1
5 6 8 10 12 14
5.24 6.24 8.29 10.29 12.35 14.35
4.76 5.76 7.71 9.71 11.65 13.65
8 10 13 17 19 22
7.64 9.64 12.57 16.57 18.48 21.16
10 13 17 22 25 28
4 5 6.5 8 10 11
2.8 3.8 5 6.5 8.5 9.2
1.31 2.77 5.5 13 19.1 28.5
Weight of per 1000 steel products(≈kg) bolts
- - - - - -
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Similar Standards

1 Mshroom head square neck bolts [DIN]
DIN 603 - 1981 		Mshroom head square neck bolts

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2 Cup Head Square Neck Bolts [DIN]
DIN 603 - 2017 		Cup Head Square Neck Bolts

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3 Mushroom head square neck bolts [DIN]
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4 Step Bolts,(Inch Series) [ASME]
ASME B 18.5 - 2012 (2017) 		Step Bolts,(Inch Series)
5 Cup Head Square Neck Bolts With Large Head-Product Grade C [ISO]
ISO 8677 - 1986 		Cup Head Square Neck Bolts With Large Head-Product Grade C
6 Metric Round Head Square Neck Bolts with Large Head [ASME/ANSI]
ASME/ANSI B 18.5.2.3M - 1990 		Metric Round Head Square Neck Bolts with Large Head
7 Step Bolts [ASME/ANSI]
ASME/ANSI B 18.5 - 2008 		Step Bolts
8 Agricultural Machinery - Flat Countersunk Square Neck Bolts with Short Square [DIN]
DIN 11015 - 1995 		Agricultural Machinery - Flat Countersunk Square Neck Bolts with Short Square
9 Step Bolts,(Inch Series) [ASME/ANSI]
ASME/ANSI B 18.5 - 2012 		Step Bolts,(Inch Series)
10 Cup Head Square Bolts With Large Head - Grade C [GB]
GB /T 14 - 1988 		Cup Head Square Bolts With Large Head - Grade C
11 Round Head Square Neck Bolts - JAPY Type [NF]
NF E 27-351 - 1969 		Round Head Square Neck Bolts - JAPY Type
12 Cup head square neck bolts with large head [GB]
GB /T 14 - 1998 		Cup head square neck bolts with large head
13 Mushroom Head Square Neck Bolts [GB]
GB /T 14 - 2013 		Mushroom Head Square Neck Bolts
14 Cup head square neck bolts with large head [GB]
GB 14 - 1976 		Cup head square neck bolts with large head
15 Cup head square neck bolts（Large size）[Table 1] [JIS]
JIS B 1171 (AT1) - 1996 		Cup head square neck bolts（Large size）[Table 1]
16 Metric Cup Square Bolts [BS]
BS 4933 - 1973 		Metric Cup Square Bolts
17 Cup Square Bolts with Hexagon Nut - ISO Metric Coarse Thread - Finish C [UNI]
UNI 5732 - 1965 		Cup Square Bolts with Hexagon Nut - ISO Metric Coarse Thread - Finish C
18 Increased cup head square shoulder bolts, product grade C [GOST]
GOST 7802 - 1981 		Increased cup head square shoulder bolts, product grade C
19 Cup Square Bolts [CNS]
CNS 4424 - 1981 		Cup Square Bolts
20 Cup Square Bolts with Enlarged Head for Looms [CNS]
CNS 4425 - 1981 		Cup Square Bolts with Enlarged Head for Looms
21 Cover Bolts Type A [CNS]
CNS 4574 - 1981 		Cover Bolts Type A