Irwin 10231 Self-Starting Step Drill Bit, #1 Detail Paper Milled and assembled in the

Milled and assembled in the USA

EPA-registered preservative prevents surface mold and mildew growth

Any angle spray with comfort spray tip

The micro pins fasten the smallest of decorative trim securely and leaves a nearly invisible hole

Designed with extensive input

Irwin 10231 Self-Starting Step Drill Bit, #1 Detail Paper Milled and assembled in theHighlights: 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,