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Unit:mm

Hexagon Nuts, Style 1 [Table 1]

JIS B 1181 - 2004

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日标JIS B1181 - 2004 JIS1181 1181JIS Hexagon Nuts, Style 1 [Table 1]
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 *Models with different eras.

Thread Size
D
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
c max
min
da max
min
dw min
e min
m max
min
mw 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 2.5 2.5
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 0.8 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 0.2 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 19.5 21.6
1.6 2 2.5 3 3.5 4 5 6 8 10 12 14 16 18 20
2.4 3.1 4.1 4.6 5 5.9 6.9 8.9 11.6 14.6 16.6 19.6 22.5 24.9 27.7
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
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
0.8 1.1 1.4 1.7 2 2.3 3.5 3.9 5.2 6.4 8.3 9.7 11.3 12.1 13.5
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
Thread Size
D
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
c max
min
da max
min
dw min
e min
m max
min
mw min
s max=nominal size
min
2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1
0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
23.7 25.9 29.1 32.4 35.6 38.9 42.1 45.4 48.6 51.8 56.2 60.5 64.8 69.1
22 24 27 30 33 36 39 42 45 48 52 56 60 64
31.4 33.3 38 42.8 46.6 51.1 55.9 60 64.7 69.5 74.2 78.7 83.4 88.2
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
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
14.5 16.2 18 19.4 21.9 23.5 25.4 25.9 27.5 29.1 32.3 34.7 37.1 39.3
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

Alternative history

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

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94 Type 2, Grade B, Hexagon Nuts [JIS]
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