Step Drill Bit- 1/8" To 1/2"- 13 Steps

start of prefixes

end of prefixes

start of suffixes

Irwin Model 10231, Step Drill Bit, 1/8" To 1/2", 13 Steps PRODUCT OVERVIEW: Speed point tip provides faster initial penetration time and eliminates the need for center punching. Single-fluted cutting edge assures true round holes and allows greater control with less vibration. For drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates. 13 steps, each step 1/32" HIGH SPEED STEEL - SPEED POINT - FRACTIONAL SELF-STARTING

end of suffixes