Silverline HSS Step Drills (Individual)

Silverline HSS step drills for precision drilling of sheet metals, alloys & plastics up to 4mm thick. These titanium plated self starting step drills will cut clean accurate holes. Marked with 2mm graduations. Features Self-starting step drills Supplied individually Titanium-coated 2mm graduations (marked) Drill sheet metals, alloys & plastics (up to 4mm thick) Sizes 4-22mm, 4-30mm, 14-26mm, 20-36mm 10mm diameter shank (except 4-22mm size which has an 8mm shank)