Irwin 10231 Self-Starting Step Drill Bit, #1 Butt cement and cinder blocks

cement and cinder blocks

Material: Cold Rolled Steel

With rectangular push button

6-amp full load motor

Use a standard screw-in element to replace a flat

Irwin 10231 Self-Starting Step Drill Bit, #1 Butt cement and cinder blocksHighlights: Drills 1 8" 1 2" holes in 1 32" increments Self starting Number of holes: 13 steps 1 4" shank (3 sided) Maximum material thickness: 1 8" Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel,