thread pitch guide to help you find the correct thread pitch you need for metric fasteners. - black stainless steel coating CB10

Metric Thread Sizes

Diameter mm Course Thread Pitch mm Fine Thread Pitch mm
M1 0.25 0.2
M1.2 0.25 0.2
M1.4 0.3  0.2
M1.6 0.35 0.2
M1.8 0.35 0.2
M2 0.4 0.25
M2.5 0.45 0.35
M3 0.5 0.35
M3.5 0.6 0.35
M4 0.7 0.5
M5 0.8 0.5
M6 1 0.75
M7 1 0.75
M8 1.25 1 or 0.75
M10 1.5 1.25 or 1
M12 1.75 1.5 or 1.25
M14 2 1.5
M16 2 1.5
M18 2.5 2 or 1.5
M20 2.5 2 or 1.5
M22 2.5 2 or 1.5
M24 3 2
M27 3 2
M30 3.5 2
M33 3.5 2
M36 4 3
M39 4 3
M42 4.5 3
M45 4.5 3
M48 5 3
M52 5 4
M56 5.5 4
M60 5.5 4
M64 6 4