The BlueSpot HSS Step Drill is manufactured from high-speed steel for increased durability and cutting power.
With 14 Steps: 2mm (4-6mm) and 3mm (9-42mm) increments.
Titanium coated to reduce friction and heat.
Specially designed for precision drilling of holes in aluminium, brass, copper, plastic, steel and wood.
Additional Information:• Size Range: 4-42mm• No.
of Steps: 14