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Click Specification

(Non-preferred) dimensions in parentheses.

Same specifications, different dimensions for other parts.

Hexagon Thin Nuts with Fine Thread [Table 7]

JIS B 1181 - 2004

Display drawing:

日标JIS B1181 - 2004 JIS1181 1181JIS Hexagon Thin Nuts with Fine Thread [Table 7]
日标JIS B1181 - 2004 JIS1181 1181JIS Hexagon Thin Nuts with Fine Thread [Table 7]
Screw Thread
d
M8 M10 (M10) M12 (M12) (M14) M16 (M18) M20 (M20) (M22) M24
P Pitch
e min
m max
min
s max=nominal size
min
1 1 1.25 1.5 1.25 1.5 1.5 1.5 1.5 2 1.5 2
14.38 17.77 17.77 20.03 20.03 23.36 26.75 29.56 32.95 32.95 37.29 39.55
4 5 5 6 6 7 8 9 10 10 11  12.00
3.7 4.7 4.7 5.7 5.7 6.42 7.42 8.42 9.1 9.1 9.9  10.90
13 16 16 18 18 21 24 27 30 30 34 36
12.73 15.73 15.73 17.73 17.73 20.67 23.67 26.16 29.16 29.16 33 35
Screw Thread
d
(M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
e min
m max
min
s max=nominal size
min
2 2 2 3 3 3 3 3 4 4 4 4
45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
13.5 15 16.5 18 19.5 21 22.5 24 26 28 30 32
12.4 13.9 15.4 16.9 18.2 19.7 21.2 22.7 24.7 26.7 28.7 30.4
41 46 50 55 60 65 70 75 80 85 90 95
40 45 49 53.8 58.8 63.1 68.1 73.1 78.1 82.8 87.8 92.8
①,Grade A:M8~M16;Grade B:M18~M64

Alternative history