US PRO Tools 4 - 22mm HSS-G+ Step Drill Spiral Step Cone 7118

Precision made step dill manufactured from quality high speed steel, heat treated for increased hardness.

Ideal for drilling non ferrous metals, sheet metal and PVC.

Specifications:

• Stepped: 4, 6, 8, 10, 12, 14, 16, 18, 20 and 22mm

• Quality HSS-G+ heat treated for increased hardness

• Shank diameter: 8mm

• Shank style: 3 flats

• Shank length: 22mm

• Overall length: 73mm

• Ideal for non ferrous metals, sheet metal and PVC