Irwin UNIBIT 10235 Step Drill Bit, 1/4 to 1-3/8 in Dia, 3-1/8 in OAL, 1-Flute, 1/2 in Dia Shank, Hex Shank

The Irwin UNIBIT HSS fractional self-starting step drill #5, 1/4 to 1-3/8 in, is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood and laminate. Crafted of HSS, it has a SpeedPoint tip that guarantees fast starts and a single-flute cutting edge for drilling true, round holes with a precise step control for multiple sizes. Hole sizes are permanently laser-etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck.
Unit: EA
UPC: 038548101057
Model Number: 10235

Features

• Single unit simplicity quickly charges all M12 and M18 battery packs
• Hex shank prevents slipping in drill chuck
• New silencer feature reduces jobsite noise

Additional Information

• Applicable Materials: Aluminum Brass Copper Plastic Stainless Steel
• Diameter: 1/4 to 1-3/8 in
• Finish: Black Oxide
• Material: HSS
• Number Of Flutes: 1
• Overall Length: 3-1/8 in
• Shank Diameter: 1/2 in
• Shank Type: Hex