Irwin® Unibit® 15103ZR Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 3/8 in Shank
PET3T
MFG #: 15103ZR
$62.99
/ EACH
- Cutting Edge Material: HSS
- Drill Diameter Measurement System: Imperial
- Finish: TiN Coated
- Material: HSS
- Maximum Hole Diameter: 3/4 in
- Minimum Hole Diameter: 1/4 in
- Number of Flutes: 1
- Number of Hole Sizes: 9
- Number of Steps: 9
- Overall Length: 2-1/2 in
- Point Type: Self-Starting SpeedPoint®
- Shank Size: 3/8 in
- Shank Type: Hex
- Step Depth: 1/16 in
Irwin® Unibit® Step Drill Bit, Imperial, 1/4 in Diameter Minimum Hole, 3/4 in Diameter Maximum Hole, 2-1/2 in Overall Length, 9 Steps, 1/16 in Step Depth, 9 Hole, 1 Flutes, 3/8 in Shank, Hex Shank, Self-Starting SpeedPoint® Point, HSS Cutting Edge, HSS, TiN Coated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel
- Application
- Item Features
Repetitive Drilling
- 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
- 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
- SpeedPoint® tip for fast starts