Armeg Step Drill 4 - 22mm

Designed in a precision manufacturing process the drills produce rapid, clean and professional holes for quality conduit installation
Up to 13 drill diameter steps for convenience and multiple hole diameter options
Laser etched diameter markings allow repeat production of error free, reliably accurate holes
Fully ground body profile for perfectly, burr free holes
Precision ground, tapered cutting edges allow material up to 6mm to be drilled
Used for drilling - sheet steel, non-ferrous metals, plastics, formica and plywood