mino - nail
- minor diameter
- minor diameter of thread
- mitre wheel
- modified offset
- module pitch
- modulus of elasticity
- modulus of shear
- moment of gyration
- monkey wrench
- mounting screw
- mouth of spanner
- movable coupling
- muff
- multi-block chain
- multi-link roller chain
- multi-roller chain
- multi-throw crankshaft
- multipl-disc clutche
- multiplate-disc clutch with lever control
- multiple plate coupling
- multiple thread screw
- multiple-row riveting
- multiple-shear riveting
- mushroom head
- mushroom head anchor bolt
- mushroom head nib bolt
- mushroom head square neck bolt
