Metric Thread Pitch Table

21/02/2024

John Jonny

Bolt Diameter (mm)	Thread Pitch (mm) General Used Sizes
Bolt Diameter (mm)	Standard	Fine
2	.4	-
2.5	.45	-
3	.5	-
4	.7	-
5	.8	-
6	1.0	-
7	1.0	-
8	1.25	1
10	1.5	1.25
12	1.75	1.5
14	2	1.5
16	2	-
18	2.5	-
20	2.5	-

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