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GB 812 - 1988 Round Nuts


Unit: mm
国标GB 812 - 1988 GB812 812GB Round Nuts
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Thread Size
d
M10
× 1 		M12
× 1.25 		M14
× 1.5 		M16
× 1.5 		M18
× 1.5 		M20
× 1.5 		M22
× 1.5 		M24
× 1.5 		M25
× 1.5 ① 		M27
× 1.5 		M30
× 1.5 		M33
× 1.5 		M35
× 1.5 ① 		M36
× 1.5 		M39
× 1.5 		M40
× 1.5 ①
dk
d1
m
n max
min
t max
min
c
c1
per 1000 units ≈ kg
22 25 28 30 32 35 38 42 42 45 48 52 52 55 58 58
16 19 20 22 24 27 30 34 34 37 40 43 43 46 49 49
8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10
4.3 4.3 4.3 5.3 5.3 5.3 5.3 5.3 5.3 5.3 5.3 6.3 6.3 6.3 6.3 6.3
4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6
2.6 2.6 2.6 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.6 3.6 3.6 3.6 3.6
2 2 2 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 3 3 3 3 3
0.5 0.5 0.5 0.5 0.5 0.5 0.5 1 1 1 1 1 1 1 1.5 1.5
0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
16.82 21.58 26.82 28.44 31.19 37.31 54.91 68.88 65.88 75.49 82.11 93.32 84.99 100.3 107.3 102.5
Thread Size
d
M42
× 1.5 		M45
× 1.5 		M48
× 1.5 		M50
× 1.5 ① 		M52
× 1.5 		M55
× 2 		M56
× 2 		M60
× 2 		M64
× 2 		M65
× 2 ① 		M68
× 2 		M72
× 2 		M75
× 2 ① 		M76
× 2 		M80
× 2 		M85
× 2
dk
d1
m
n max
min
t max
min
c
c1
per 1000 units ≈ kg
62 68 72 72 78 78 85 90 95 95 100 105 105 110 115 120
53 59 61 61 67 67 74 79 84 84 88 93 93 98 103 108
10 10 12 12 12 12 12 12 12 12 12 15 15 15 15 15
6.3 6.3 8.36 8.36 8.36 8.36 8.36 8.36 8.36 8.36 10.36 10.36 10.36 10.36 10.36 10.36
6 6 8 8 8 8 8 8 8 8 10 10 10 10 10 10
3.6 3.6 4.25 4.25 4.25 4.25 4.25 4.25 4.25 4.25 4.75 4.75 4.75 4.75 4.75 4.75
3 3 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4 4 4 4 4 4
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
0.5 0.5 0.5 0.5 0.5 0.5 1 1 1 1 1 1 1 1 1 1
121.8 153.6 201.2 186.8 238 214.4 290.1 320.3 351.9 342.4 380.2 518 477.5 562.4 608.4 640.6
Thread Size
d
M90
× 2 		M95
× 2 		M100
× 2 		M105
× 2 		M110
× 2 		M115
× 2 		M120
× 2 		M125
× 2 		M130
× 2 		M140
× 2 		M150
× 2 		M160
× 3 		M170
× 3 		M180
× 3 		M190
× 3 		M200
× 3
dk
d1
m
n max
min
t max
min
c
c1
per 1000 units ≈ kg
125 130 135 140 150 155 160 165 170 180 200 210 220 230 240 250
112 117 122 127 135 140 145 150 155 165 180 190 200 210 220 230
18 18 18 18 18 22 22 22 22 26 26 26 26 30 30 30
12.43 12.43 12.43 12.43 14.43 14.43 14.43 14.43 14.43 14.43 16.43 16.43 16.43 16.43 16.43 16.43
12 12 12 12 14 14 14 14 14 14 16 16 16 16 16 16
5.75 5.75 5.75 5.75 6.75 6.75 6.75 6.75 6.75 6.75 7.9 7.9 7.9 7.9 7.9 7.9
5 5 5 5 6 6 6 6 6 6 7 7 7 7 7 7
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 2 2
1 1 1 1 1 1 1 1 1 1 1 1.5 1.5 1.5 1.5 1.5
796.1 834.7 873.3 895 1076 1369 1423 1477 1531 1937 2651 2810 2970 3610 3794 3978
Alternative history
GB /T 812 - 1988
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