Irwin Unibit #9 2-Step Drill Bit - 7/8 and 1-1/8-in - High Speed Steel - USA Made Knock Out Bit Nicholson • Takes 12"/ 300 mm

• Takes 12"/ 300 mm blade

10-24 and copper wire

ES collets were the last iteration of the E type collets developed by Unimat

These collets came from a long closed Emco Unimat dealer

Irwin Unibit #9 2-Step Drill Bit - 7/8 and 1-1/8-in - High Speed Steel - USA Made Knock Out Bit Nicholson • Takes 12"/ 300 mmIrwin 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