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Unit:mm

Hexagon Nuts, Type 1 - Product Grades A and B

GB 6170 - 1986

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国标GB 6170 - 1986 GB6170 6170GB Hexagon Nuts, Type 1 - Product Grades A and B
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 *Models with different eras.

Screw Thread
d
M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
k max
min
s max
min
e min
0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
1.3 1.6 2 2.4 3.2 4.7 5.2 6.8 8.4 10.8 12.8 14.8 15.8 18
1.05 1.35 1.75 2.15 2.9 4.4 4.9 6.44 8.04 10.37 12.1 14.1 15.1 16.9
3.2 4 5 5.5 7 8 10 13 16 18 21 24 27 30
3.02 3.82 4.82 5.32 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.16 29.16
3.41 4.32 5.45 6.01 7.66 8.79 11.05 14.38 17.77 20.03 23.35 26.75 29.56 32.95
Screw Thread
d
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
k max
min
s max
min
e min
2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
19.4 21.5 23.8 25.6 28.7 31 33.4 34 36 38 42 45 48 51
18.1 20.2 22.5 24.3 27.4 29.4 31.8 32.4 34.4 36.4 40.4 43.4 46.4 49.1
34 36 41 46 50 55 60 65 70 75 80 85 90 95
33 35 40 45 49 53.8 58.8 63.8 68.1 73.1 78.1 82.8 87.8 92.8
37.29 39.55 45.2 50.85 55.37 60.79 66.44 75.02 76.95 82.6 88.25 93.56 99.21 104.86

Alternative history

GB /T 6170 - 1986 GB /T 6170 - 2000 GB /T 6170 - 2015
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