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Hexagon Head Bolts - Product Grades A and B

GB 5782 - 1986

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国标GB 5782 - 1986 GB5782 5782GB Hexagon Head Bolts - Product Grades A and B

 *Models with different eras.

Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
b L≤125
125<L≤200
L>200
c max
min
da max
ds max
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max
k Nominal Size
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min
s max=nominal size
Grade A min
Grade B min
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
12 14 16 18 22 26 30 34 38 42 46 50 54
- - - - 28 32 36 40 44 48 52 56 60
- - - - - - - 53 57 61 65 69 73
0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8
0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2
3.6 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4 26.4
3 4 5 6 8 10 12 14 16 18 20 22 24
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
- - 4.7 5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48 21.48 23.48
4.6 5.9 6.9 8.9 11.6 14.6 16.6 19.6 22.5 25.3 28.2 31.7 33.6
- - 6.7 8.7 11.4 14.4 16.4 19.2 22 24.8 27.7 31.4 33.2
6.07 7.66 8.79 11.05 14.38 17.77 20.03 23.35 26.75 30.14 33.53 37.72 39.98
- - 8.63 10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95 37.29 39.55
1 1.2 1.2 1.4 2 2 3 3 3 3 4 4 4
2 2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15
2.12 2.92 3.65 4.15 5.45 6.58 7.68 8.98 10.18 11.72 12.72 14.22 15.22
1.88 2.68 3.35 3.85 5.15 6.22 7.32 8.62 9.82 11.28 12.28 13.78 14.78
- - 3.74 4.24 5.54 6.69 7.79 9.09 10.29 11.85 12.85 14.35 15.35
- - 3.26 3.76 5.06 6.11 7.21 8.51 9.71 11.15 12.15 13.65 14.65
1.3 1.9 2.3 2.7 3.6 4.4 5.1 6 6.9 7.9 8.6 9.6 10.3
- - 2.3 2.6 3.5 4.3 5 6 6.8 7.8 8.5 9.5 10.2
0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8
5.5 7 8 10 13 16 18 21 24 27 30 34 36
5.32 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67 33.38 35.38
- - 7.64 9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16 33 35
Length of Thread b
- - - - - - - - - - - - -
Screw Thread
d
(M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
b L≤125
125<L≤200
L>200
c max
min
da max
ds max
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max
k Nominal Size
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min
s max=nominal size
Grade A min
Grade B min
3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
60 66 72 78 84 - - - - - - -
66 72 78 84 90 96 102 108 116 124 132 140
79 85 91 97 103 109 115 121 129 137 145 153
0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1
0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
27 30 33 36 39 42 45 48 52 56 60 64
- - - - - - - - - - - -
26.48 29.48 32.38 35.38 38.38 41.38 44.38 47.38 51.26 55.26 59.26 63.26
- - - - - - - - - - - -
38 42.7 46.6 51.1 55.9 60.6 64.7 69.4 74.2 78.7 83.4 88.2
- - - - - - - - - - - -
45.2 50.85 55.37 60.79 66.44 72.02 76.95 82.6 88.25 93.56 99.21 104.86
6 6 6 6 6 8 8 10 10 12 12 13
17 18.7 21 22.5 25 26 28 30 33 35 38 40
- - - - - - - - - - - -
- - - - - - - - - - - -
17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5 35.5 38.5 40.5
16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5 34.5 37.5 39.5
- - - - - - - - - - - -
11.7 12.8 14.4 15.5 17.21 17.9 19.3 20.9 22.8 24.2 26.2 27.6
1 1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
41 46 50 55 60 65 70 75 80 85 90 95
- - - - - - - - - - - -
40 45 49 53.8 58.8 63.8 68.1 73.1 78.1 82.8 87.8 92.8
Length of Thread b
- - - - - - - - - - - -

Suppliers

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NingBo ZhenHai Guisi Zhaoyang Hardware Screw Factory
  • Mr.Fang

  • +86-13806639241

  • +86-574-86574666

  • Material: carbon steel; Specifications: M5-M24; Length: 20mm~250mm;Surface treatment: nature, black, galvanized, rohs, hot galvanized, dacromet; Grade: 4.8~12.9
Ningbo SiTuo Fastener Co., Ltd
  • Petty Cao

  • +86-15381997760

  • Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

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