4-42mm Step Drill is specially designed for precision drilling of holes in aluminium, brass, copper, plastic, steel and wood. Manufactured from high steel for increased durability and cutting power. Titanium coated to reduce friction and heat. 2mm step increments.,
4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39 & 42mm
- Manufactured from high speed steel for increased durability
- 4-6mm and 9-42mm in 3mm increments
- Ideal for cutting precision holes in metal and other materials
4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39 & 42mm