Step Cone Drill Hss Steel Titanium Hole Cutter 4-42mm Drill Bit Large 20506

BlueSpot 4-42mm Step Drill The BlueSpot 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.4-6mm and 9-42mm in 3mm incrementsIdeal for cutting precision holes in metal and other materials.