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Small Hexagon Nuts, Semi-finished, [Table JA.17]

JIS B 1181 - 2014

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日标JIS B1181 - 2014 JIS1181 1181JIS Small Hexagon Nuts, Semi-finished, [Table JA.17]
Thread Size
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39)
P Pitch Coarse pitch
Fine pitch
m max
min
m1 max
min
s max
min
e ≈
da ≈
dw min
c ≈
1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4
1 1.25 1.25 1.5 1.5 1.5 1.5 1.5 2 2 2 2 3 3
6.5 8 10 11 13 15 16 18 19 22 24 26 29 31
5.92 7.42 9.42 10.3 12.3 14.3 15.3 17.3 18.16 21.16 23.16 25.16 28.16 30
5 6 7 8 10 11 12 13 14 16 18 20 21 23
4.52 5.52 6.42 7.42 9.42 10.3 11.3 12.3 13.3 15.3 17.3 19.16 20.16 22.16
12 14 17 19 22 24 27 30 32 36 41 46 50 55
11.3 13.3 16.3 18.2 21.2 23.2 26.2 29.2 31 35 40 45 49 53.8
13.9 16.2 19.6 21.9 25.4 27.7 31.2 34.6 37 41.6 47.3 53.1 57.7 63.5
11.5 13.5 16.5 18 21 23 26 29 31 34 39 44 48 53
10.8 12.6 15.8 17.6 20.4 22.3 25.6 28.5 30.4 - - - - -
0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.6 0.6 - - - - -

Alternative history

JIS B 1181 - 1993 JIS B 1181 - 2001
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