Common sizes of nuts include: M2.5, M3, M4, M5, M6, M8, M10, M12, M14 and M36.
M2.5 nut: 5mm diameter
M3 nut: 5.5mm diameter
M4 nut: 7mm diameter
M5 nut: 8mm diameter
M6 nut: 10mm diameter
M8 nut: 13mm diameter
M10 nut: 17mm diameter
M12 nut: 19mm diameter
M14 nut: 22mm diameter
M36 nut: 55mm diameter
