Irwin Unibit 10239 Step Drill Bit, 7/8 to 1-1/8 in Dia, 1-Flute, 7/16 in Dia Shank, Hex Shank Rolair 5230K30CS 5 HP 9 Gall Twin Tank Constant-Run Compressor Collation Angle: 33 deg

Collation Angle: 33 deg

smooth operation and greater comfort

Built to withstand the jobsite

These high-leverage

an easy-to-use display guide and 11 measuring functions (including default real-time measuring)

Irwin Unibit 10239 Step Drill Bit, 7/8 to 1-1/8 in Dia, 1-Flute, 7/16 in Dia Shank, Hex Shank Rolair 5230K30CS 5 HP 9 Gall Twin Tank Constant-Run Compressor Collation Angle: 33 degHigh speed steel bit with single flute cutting edge for greater control through steps. Hex shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.