GB 817 - 1988 Slotted Round Nuts


Unit: mm
Screw Thread
d
M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12
P Pitch
dk max
min
m max
min
B max
min
n Nominal Size
min
max
k
c
d2
per 1000 units ≈ kg
0.3 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
3 4 4.5 5.5 6 8 10 11 14 18 22
2.86 3.82 4.32 5.32 5.82 7.78 9.78 10.73 13.73 17.73 21.67
1.6 2 2.2 2.5 3 3.5 4.2 5 6.5 8 10
1.35 1.75 1.95 2.25 2.7 3.2 3.9 4.7 6.14 7.64 9.64
1.1 1.2 1.4 1.6 2 2.5 2.8 3 4 5 6
0.85 0.95 1.15 1.35 1.75 2.25 2.55 2.75 3.7 4.7 5.7
0.4 0.4 0.5 0.6 0.8 1 1.2 1.6 2 2.5 3
0.46 0.46 0.56 0.66 0.86 0.96 1.26 1.66 2.06 2.56 3.06
0.6 0.6 0.7 0.8 1 1.31 1.51 1.91 2.31 2.81 3.31
/ / / 1.1 1.3 1.8 2.1 2.5 3.3 4 5
0.1 0.1 0.2 0.2 0.2 0.3 0.4 0.4 0.5 0.5 0.8
/ / / M1.4 M1.4 M1.4 M2 M2 M2 M3 M4
0.05 0.12 0.17 0.29 0.39 0.84 1.63 2.16 4.47 9.59 18.34
Alternative history
GB /T 817 - 1988
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en:Rolling Bearing Accessories - Locknuts - HM Series
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