Page 280 - 世霸SuperToolVol.6

Table for width across flats and bolt / nut screw size
Screw size name
Bolt / nut width across
flats (wrench / spanner Metric screw
mouth width) (mm) Whitworth screw
Hex. bolt Hex. bolt / small type Hex. bolt / high tensile
4 M2
4.5 M2.2
5 M2.5
5.5 M3
6 M3.5
7 M4
APPENDIX
8 M4.5、M5
10 M6 W¹⁄₄
11 M7
12 M8 W⁹⁄₃₂
13 M8
14 (M8) M10 W⁵⁄₁₆
16 M10
Table for 17 (M10) M12 W³⁄₈
width across
flats and 18 M12
bolt / nut
screw size 19 (M12) M14 W⁷⁄₁₆
21 M14 (M14) W¹⁄₂
Conversion 22 (M14) M16 M12
table for
inch / mm 23 (M16)
24 M16 M18
Table for hex
key wrench / 26 (M16) (M18) W⁵⁄₈
hex lobe key
wrench 27 M18 M20 M16
compliant
screw 29 (M18) (M20)
30 M20 M22
Reference
table for 32 M22(M20) M24(M22) M20 W³⁄₄
tightening
torque value 34 M22
35 (M22) (M24) W⁷⁄₈
Conversion 36 M24 M27 M22
table for
international 38 (M24)
torque value
41 M27 M30 M24 W1
Chart for 46 M30 M33 M27 W1¹⁄₈
pipe size
and diameter 50 M33 M36 M30 W1¹⁄₄
per type
54 (M36) W1³⁄₈
55 M36 M39
Lifting angle
and rated 58 (M39) W1¹⁄₂
load
correlation
table 60 M39
63 (M42) W1⁵⁄₈
Table for 65 M42
main steel
material 67 (M45) W1³⁄₄
weight
70 M45
71 (M48) W1⁷⁄₈
Comparison
table for 75 M48
hardness
77 (M52) W2
80 M52
Table for 85 W2¹⁄₄
bearing size
standard 95 W2¹⁄₂
105 W2³⁄₄
Basic 110 W3
knowledge
about 120 W3¹⁄₄
magnets

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