Irwin Tools 10313ZR Unibit #13 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank 9 Circle allowing use of a torque

allowing use of a torque wrench

Item model number : 532MD

Part Number : 81249

816 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #773 in Job Site & Security Lighting

Irwin Tools 10313ZR Unibit #13 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank 9 Circle allowing use of a torqueThis IRWIN Unibit #13 High Speed Steel Fractional Self Starting Step Drill Bit features a single flute cutting edge for greater control through each of its 2 steps. The hex shank helps prevent slipping in a drill chuck. Use this reliable drill bit to drill holes into thin materials like stainless steel, copper and more. UNIBIT 13 1 1 8" Single Hole Size Features Single flute cutting edge for greater Hex shank helps prevent slipping in the drill chuck