Irwin 15103 Unibit3T Titanium Nitride Coated 1/4-Inch to 3/4-Inch by 3/8-Inch Shank Step Drill Bit

Irwin 15103 Unibit3T Titanium Nitride Coated 1/4-Inch to 3/4-Inch by 3/8-Inch Shank Step Drill Bit

• Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
• Single-flute cutting edge for greater control through steps
• 3 flatted shank prevents slipping in drill chuck
• New Speedpoint tip penetrates faster than previous Unibits and prevents walking

Titanium Nitride finish causes less friction which increases speed and increases product life by 6X. New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. Coating: Titanium Nitride Materials: Steel Drill Bit Range Min: 1/4quot; Drill Bit Range Max: 3/4quot;.