HSS TiN Step Drill #4T 3/16-7/8" 12 Step
1/16" Steps, 3/8" Hex Shank
Item #: IRW 15104
Irwin Unibit® HSS Fractional Step Drills TiN Coated
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. 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.
- Single fluted cutting edge
- SpeedPoint® tip for fast starts
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. 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.
Item Specifications
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Unibit
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3/8"
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12
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#4T