Thread Size
Diameter (mm)
Thread Pitch (mm)
Spanner Size (mm)
M2 2 0.40 4
M2.5 2.5 0.45 5
M3 3 0.50 5.5
M3.5 3.5 0.60 6
M4 4 0.70 7
M5 5 0.80 8
M6 6 1.00 10
M8 8 1.25 13
M10 10 1.50 17
M12 12 1.75 19
M14 14 2.00 22
M16 16 2.00 24
M20 20 2.50 30
M22 22 2.50 32
M24 24 3.00 36
M27 27 3.00 -
M30 30 3.50 -
M33 33 3.50 -
M36 36 4.00 36
M39 39 4.00 -
M42 42 4.50 -