Irwin Black Oxide Drill Bits Size:9/64" - 4935637 but can be used up

but can be used up to 15″ (38

Swimming pools

Flood beam effect

Use with a large or small cylinder (not for use with a disposable cylinder)

Copper coating will not crack when bent or tear when driven

Irwin Black Oxide Drill Bits Size:9/64" - 4935637 but can be used upBit is constructed of M 7 high speed steel for high resistance to abrasion during tough drilling applications Three flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks All Silver & Deming bits are 6" long and feature a 1 2" reduced shank that fits all 1 2" drills Additional Features Standard 118 degree point for use in wood, metal, and plastic