| Thread Size | Steel | Stainless Steel |
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M3X0.5
|
2.7
|
2.7
|
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M4X0.7
|
3.7
|
3.7
|
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M5X0.8
|
4.5
|
4.6
|
|
M6X1.0
|
5.3
|
5.4
|
|
M8X1.25
|
7.3
|
7.4
|
|
M10X1.5
|
9.2
|
9.3
|
|
M12X1.75
|
10.9
|
10.9
|
|
M14X2.0
|
13.0
|
13.0
|
|
M16X2.0
|
14.8
|
14.8
|
|
M18X2.5
|
16.7
|
16.7
|
|
M20X2.5
|
18.7
|
18.7
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|
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|
1/8BSP
|
9.2
|
9.2
|
|
1/4 BSP
|
12.4
|
12.4
|
|
3/8 BSP
|
15.9
|
15.9
|
|
1/2 BSP
|
19.9
|
19.9
|
|
3/4 BSP
|
25.4
|
25.4
|
|
1/1 BSP
|
31.9
|
31.9
|
|
|
||
|
N°5 UNC (40)
|
2.9
|
2.9
|
|
N°6 UNC (32)
|
3.1
|
3.1
|
|
N°8 UNC (32)
|
3.8
|
3.8
|
|
N°10 UNC (24)
|
4.3
|
4.3
|
|
N°12 UNC (24)
|
4.9
|
4.9
|
|
1/4 UNC (20)
|
5.7
|
5.7
|
|
5/16 UNC (18)
|
7.2
|
7.2
|
|
3/8 UNC (16)
|
8.7
|
8.7
|
|
7/16 UNC (14)
|
10.2
|
10.2
|
|
1/2 UNC (13)
|
11.7
|
11.7
|
|
9/16 UNC (12)
|
13.2
|
13.2
|
|
5/8 UNC (11)
|
14.7
|
14.7
|
|
3/4 UNC (10)
|
17.8
|
17.8
|
|
|
||
|
M6X0.75
|
5.6
|
5.6
|
|
M6X0.5
|
5.8
|
5.8
|
|
M8X1.0
|
7.5
|
7.5
|
|
M8X0.75
|
7.6
|
7.6
|
|
M10X1.25
|
9.3
|
9.3
|
|
M10X1.0
|
9.5
|
9.5
|
|
M12X1.5
|
11.2
|
11.2
|
|
M12X1.0
|
11.5
|
11.5
|
|
M16X1.5
|
15.2
|
15.2
|
|
M16X1.0
|
15.5
|
15.5
|
|
M18X1.5
|
17.2
|
17.2
|
|
|
||
|
N°5 UNF (44)
|
2.9
|
2.9
|
|
N°6 UNF (40)
|
3.2
|
3.2
|
|
N°8 UNF (36)
|
3.9
|
3.9
|
|
N°10 UNF (32)
|
4.4
|
4.4
|
|
N°12 UNF (28)
|
5.0
|
5.0
|
|
1/4 UNF (28)
|
5.9
|
5.9
|
|
5/16 UNF (24)
|
7.4
|
7.4
|
|
3/8 UNF (24)
|
9.0
|
9.0
|
|
7/16 UNF (20)
|
10.4
|
10.4
|
|
1/2 UNF (20)
|
12.1
|
12.1
|
|
9/16 UNF (18)
|
13.6
|
13.6
|
|
5/8 UNF (18)
|
15.2
|
15.2
|
|
3/4 UNF (16)
|
18.3
|
18.3
|
|
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