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Unit:mm

Type 1, Grade A, Hexagon Nuts

JIS B 1181 - 1993

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日标JIS B1181 - 1993 JIS1181 1181JIS Type 1, Grade A, Hexagon Nuts
Thread Size
D
M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12 M14 M16
P Coarse pitch
Fine pitch-1
Fine pitch-1
c max
min
da max
min
dw min
e min
m max
min
m1 min
m2 min
s max=nominal size
min
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 1.75 2 2
- - - - - - - - 1 1 1.5 - 1.5
- - - - - - - - - 1.25 1.25 1.5 -
0.2 0.2 0.3 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8
0.1 0.1 0.1 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2
1.84 2.3 2.9 3.45 4 4.6 5.75 6.75 8.75 10.8 13 15.1 17.3
1.6 2 2.5 3 3.5 4 5 6 8 10 12 14 16
2.27 3.07 4.07 4.57 5.07 5.88 6.88 8.88 11.63 14.63 16.63 19.64 22.49
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
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
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
0.84 1.08 1.4 1.72 2.04 2.32 3.52 3.92 5.15 6.43 8.3 9.68 11.28
0.74 0.95 1.23 1.51 1.79 2.03 3.06 3.43 4.51 5.63 7.26 8.47 9.87
3.2 4 5 5.5 6 7 8 10 13 16 18 21 24
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

Alternative history

JIS B 1181 - 1993 JIS B 1181 - 2004 JIS B 1181 - 2014
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