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Unit:mm

Hexagon Nuts - Finished [Table 1-1]

JIS B 1181 - 1993

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日标JIS B1181 - 1993 JIS1181 1181JIS Hexagon Nuts - Finished [Table 1-1]
Screw Thread
d
M2 (M2.2) M2.5 M3 (M3.5) M4 (M4.5) M5 M6 (M7) M8 M10 M12 (M14) M16
P Coarse thread
Fine pitch
m max
min
m1 max
min
s max
min
e ≈
da ≈
dw min
c ≈
0.4 0.45 0.45 0.5 0.6 0.7 0.75 0.8 1 1 1.25 1.5 1.75 2 2
- - - - - - - - - - 1 1.25 1.25 1.5 1.5
1.6 1.8 2 2.4 2.8 3.2 3.6 4 5 5.5 6.5 8 10 11 13
1.35 1.55 1.75 2.15 2.55 2.9 3.3 3.7 4.7 5.2 6.14 7.64 9.64 10.57 12.57
1.2 1.4 1.6 1.8 2 2.4 2.8 3.2 3.6 4.2 5 6 7 8 10
0.95 1.15 1.35 1.55 1.75 2.15 2.5 2.9 3.3 3.9 4.7 5.7 6.64 7.64 9.64
4 4.5 5 5.5 6 7 8 8 10 11 13 17 19 22 24
3.8 4.3 4.8 5.3 5.8 6.8 7.8 7.8 9.8 10.75 12.75 16.75 18.65 21.65 23.65
4.6 5.2 5.8 6.4 6.9 8.1 9.2 9.2 11.5 12.7 15 19.6 21.9 25.4 27.7
3.8 4.3 4.7 5.3 5.8 6.8 7.8 7.8 9.8 10.8 12.5 16.5 18 21 23
- - - - - - - 7.2 9 10 11.7 15.8 17.6 20.4 22.3
- - - - - - - 0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.6
Screw Thread
d
(M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60)
P Coarse thread
Fine pitch
m max
min
m1 max
min
s max
min
e ≈
da ≈
dw min
c ≈
2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5
1.5 1.5 1.5 2 2 2 2 3 3 - - - - - -
15 16 18 19 22 24 26 29 31 34 36 38 42 45 48
14.57 15.57 17.57 18.48 21.48 23.48 25.48 28.48 30.38 33.38 35.38 37.38 41.38 44.38 47.38
11 12 13 14 16 18 20 21 23 25 27 29 31 34 36
10.57 11.57 12.57 13.57 15.57 17.57 19.48 20.48 22.48 24.48 26.48 28.48 30.38 33.38 35.38
27 30 32 36 41 46 50 55 60 65 70 75 80 85 90
26.65 29.65 31.6 35.6 40.6 45.6 49.6 54.55 59.55 64.55 69.55 74.55 79.55 84.45 89.45
31.2 34.6 37 41.6 47.3 53.1 57.7 63.5 69.3 75 80.8 86.5 92.4 98.1 104
26 29 31 34 39 44 48 53 57 62 67 72 77 82 87
25.6 28.5 30.4 34.2 - - - - - - - - - - -
0.6 0.6 0.6 0.6 - - - - - - - - - - -
Screw Thread
d
M64 (M68) M72 (M76) M80 (M85) M90 (M95) M100 (M105) M110 (M115) (M120) M125 (M130)
P Coarse thread
Fine pitch
m max
min
m1 max
min
s max
min
e ≈
da ≈
dw min
c ≈
6 6 - - - - - - - - - - - - -
- - 6 6 6 6 6 6 6 6 6 6 6 6 6
51 54 58 61 64 68 72 76 80 84 88 92 96 100 104
50.26 53.26 57.26 60.26 63.26 67.26 71.26 75.26 79.26 83.13 87.13 91.13 95.13 99.13 103.13
38 40 42 46 48 50 54 57 60 63 65 69 72 76 78
37.38 39.38 41.38 45.38 47.38 49.38 53.26 56.26 59.26 62.26 64.26 68.26 71.26 75.26 77.26
95 100 105 110 115 120 130 135 145 150 155 165 170 180 185
94.45 99.45 104.45 109.45 114.45 119.45 129.35 134.35 144.35 149.35 154.35 164.35 169.35 179.35 184.3
110 115 121 127 133 139 150 156 167 173 179 191 196 208 214
92 97 102 107 112 116 126 131 141 146 151 161 166 176 181
- - - - - - - - - - - - - - -
- - - - - - - - - - - - - - -

Alternative history

JIS B 1181 - 1993 JIS B 1181 - 2014
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98 Precision Hexagon Nuts - B.S.W. & B.S.F. Threads [BS]
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