Irwin Unibit IRW 15221
Irwin Unibit 15221 Hole Enlarging Step Drill Bit, 13/16 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, HSS, 10 Hole Sizes, 7/16 in Shank
Invoice description:
21t 10 Hole Sizes (13/16 1 3/8"), 1/16" I
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
ApplicationFor drilling holes into thin materials
Applicable MaterialsAluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
Cutting Edge MaterialHSS
Drill Diameter Measurement SystemImperial
FinishTiN Coated
MaterialHSS
Maximum Hole Diameter1-3/8 in
Minimum Hole Diameter13/16 in
Number of Flutes1
Number of Hole Sizes10
Number of Steps10
Point TypeSpeedPoint
Shank Size7/16 in
Shank Type3-Flat
Step Depth1/8 in
TypeHole Enlarging
Additional Information
Country of OriginUS