*PO* Drill Bit Step HSS 3pc - 4-12, 4-20, 4-32mm

These step drills have multipurpose use. Designed for drilling & deburring repetitive holes in aluminium, brass, copper, steel, plastic, plexiglass, laminates & many other thin materials. Used by sheet metal workers, auto mechanics, plumbers, electricians & serious home handymen.

FEATURES:

• Manufactured from drop-forged high speed steel with a titanium coating

• 1/4" hex, quick change, impact grade shank for fitment to multiple use chucks or drill presses

• Straight cut 2 flute design for fast & smooth cuts with efficient stock removal

• Size depth graduations marked in flutes

• Aluminium, hinged, foam filled storage case included

• Includes: 4-12mm, 4-20mm, 4-32mm, all with 2mm increments