Irwin Unibit #9 2-Step Drill Bit - 7/8 and 1-1/8-in - High Speed Steel - USA Made Knock Out Bit Diamond Stone Back-Plunger

Back-Plunger

For enhanced serviceability the pressure plate can be changed with no need for tools

1/2-Inch to 1-Inch Range with 3/8-Inch Shank USA Made

adjustment tools

Flute Length: 1-1/2

Irwin Unibit #9 2-Step Drill Bit - 7/8 and 1-1/8-in - High Speed Steel - USA Made Knock Out Bit Diamond Stone Back-PlungerIrwin Unibit #9 2 Step Drill Bit 7 8 and 1 1 8 in High Speed Steel USA Made Knock Out Bit About this item Single flute cutting edge for greater control through steps SpeedPoint tip penetrates fast and helps prevent walking Hex shank helps prevent slipping in the drill chuck IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless steel, copper, brass, aluminum, plastic and laminates Drills 7 8 inch and 1 1 8