GB /T 6170 - 2000 Hexagon nuts,type 1


Unit: mm
Screw Thread
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
k max
min
s max=nominal size
min
e min
per 1000 units ≈ kg
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
1.3 1.6 2 2.4 2.8 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 2.55 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 6 7 8 10 13 16 18 21 24 27 30
3.02 3.82 4.82 5.32 5.82 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 6.58 7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 29.56 32.95
0.050 0.103 0.212 0.301 0.411 0.643 1.19 2.19 4.74 8.91 13.67 21.63 32.66 42.31 58.37
Screw Thread
d
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
k max
min
s max=nominal size
min
e min
per 1000 units ≈ kg
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 63.1 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 71.3 76.95 82.6 88.25 93.56 99.21 104.86
82 100.5 147.3 205.2 268.8 351.7 455.9 534.8 663.1 816.8 1012 1202 1418 1659
Alternative history
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