HSS Step Drill 6 -20mm Hole Diameter 6,8,10,12,14,16,18,20 - Plumbing, Electrical

HSS Step Drill 6-20mm 

Hole Diameters 6,8,10,12,14,16,18,20

These step drills are made from the highest quality M2 grade high speed steel and are engineering quality. 

Ideal for many Trades including Plumbers & Electricians, 

commonly used for drilling pipe and conduit access, 

drilling required holes in switch and junction boxes.

 Ideal for metal frame work. 

Step drills are also used for enlarging an existing hole to prevent snapping of a slightly larger solid point drill bits