Irwin Unibit IRW 15221

Irwin Unibit Step Drill Bit, Hole Enlarging, Imperial, 13/16 in Diameter Minimum Hole, 1-3/8 in Diameter Maximum Hole, 10 Steps, 1/8 in Step Depth, 10 Hole, 1 Flutes, 7/16 in Shank, 3-Flat Shank, SpeedPoint Point, HSS Cutting Edge, HSS, TiN Coated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel

• Features

• Single flute cutting edge for greater control through steps
• 3 flatted shank prevents slipping in drill chuck
• Patented single flute cutting edge gives the user a true round hole every time
• Geometry of single flute cutting edge drills true, round holes and provides maximum step control
• Laser etched sizes inside flute for easy and permanent hole size identification
• Pilot hole required
• Titanium nitride coating resists heat and friction, extending the cutting edge life up to six times longer than other high speed steel step drill bits
• SpeedPoint tip for fast starts

Specifications

Documents

• Catalog