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(Non-preferred) dimensions in parentheses.

Unit:mm

Hexagon Thick Nuts

GB 56 - 1988

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国标GB 56 - 1988 GB56 56GB Hexagon Thick Nuts
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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


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Thread Size
d
M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P Pitch
da max
min
dw min
e min
m max
min
mw min
s max
min
per 1000 units ≈ kg
2 2.5 2.5 2.5 3 3 3.5 4 4.5 5
17.3 19.5 21.6 23.7 25.9 29.1 32.4 38.9 45.4 51.8
16 18 20 22 24 27 30 36 42 48
22.5 24.8 27.7 31.4 33.2 38 42.7 51.1 60.6 69.4
26.17 29.56 32.95 37.29 39.55 45.2 50.85 60.79 72.09 82.6
25 28 32 35 38 42 48 55 65 75
24.16 27.16 30.4 33.4 36.4 40.4 46.4 53.1 63.1 73.1
19.33 21.73 24.32 26.72 29.12 32.32 37.12 42.48 50.48 58.48
24 27 30 34 36 41 46 55 65 75
23.16 26.16 29.16 33 35 40 45 53.8 63.8 73.1
45.94 66.33 92.72 136.3 160 237.7 352.0 572.6 979.5 1495

Alternative history

GB /T 56 - 1988

Similar Standards

1 Hex Coupling Nuts [Table14] (ASTM A563) [ASME]
ASME B 18.2.2 - 2022 		Hex Coupling Nuts [Table14] (ASTM A563)
2 Hex Coupling Nuts [Table13] (ASTM A563) [ASME]
ASME B 18.2.2 - 2015 		Hex Coupling Nuts [Table13] (ASTM A563)
3 Hex Coupling Nuts [IFI]
IFI 128 - 2000 		Hex Coupling Nuts
4 Hexagon nuts with a height of 1.5d [DIN]
DIN 6330 - 1991 		Hexagon nuts with a height of 1.5d
5 Hexagon thick nuts [ASME/ANSI]
ASME/ANSI B 18.2.2 - 1987 (R1999) 		Hexagon thick nuts
6 Hexagon Nuts with a Height of 1.5d [DIN]
DIN 6330 - 2003 		Hexagon Nuts with a Height of 1.5d
7 Hex Thick Nuts [Table7] (ASTM A563 / F594 / F467) [ASME]
ASME B 18.2.2 - 2022 		Hex Thick Nuts [Table7] (ASTM A563 / F594 / F467)
8 Hexagon coupling nuts 3d [DIN]
DIN 6334 		Hexagon coupling nuts 3d
9 Hex Thick Nuts [table6] [ASME/ANSI]
ASME/ANSI B 18.2.2 - 2010 		Hex Thick Nuts [table6]
10 Hex Thick Nuts [Table6] (ASTM A563 / F594 / F467) [ASME]
ASME B 18.2.2 - 2015 		Hex Thick Nuts [Table6] (ASTM A563 / F594 / F467)
11 Hex Coupling Nuts [Table13] [ASME/ANSI]
ASME/ANSI B 18.2.2 - 2010 		Hex Coupling Nuts [Table13]
12 Hexagon Turnbuckles [DIN]
DIN 1479 - 2005 		Hexagon Turnbuckles
13 Hexagon Nuts With Raised Face [GB]
GB 804 - 1988 		Hexagon Nuts With Raised Face
14 Hexagon Thick Nuts [GB]
GB 55 - 1976 		Hexagon Thick Nuts
15 Hexagon Nut, C, [Table 18-19] [JIS]
JIS B 1181 - 2014 		Hexagon Nut, C, [Table 18-19]
16 Hexagon Thick Nuts [Others]
JIS B 1181 - 2004 		Hexagon Thick Nuts
17 US Hex High Nuts [SAE]
SAE J 482 (-1) - 2006 		US Hex High Nuts
18 US Hexagon Thick Nuts [SAE]
SAE J 482 (-1) - 1998 		US Hexagon Thick Nuts
19 Hex Thick Nuts [SAE]
SAE J 104 - 1969 		Hex Thick Nuts
20 Hexagon Nuts With A Height Of 1.5d [CNS]
CNS 5014 - 1979 		Hexagon Nuts With A Height Of 1.5d