The Irwin Impact Turbomax drill bit is engineered for use with impact drivers and standard drill chucks. The 1/4" quick-change hex shank seats securely in impact chucks and reduces slipping in standard chucks. Premium high speed steel construction with a black oxide finish provides corrosion resistance and extended bit life.

• 1/4" diameter, 4" overall length
• 1/4" quick-change hex shank for impact drivers
• Premium high speed steel construction
• Black oxide finish for corrosion resistance
• Turbomax tip minimizes walking on contact
• Withstands higher torque loads from impact drivers
• 10x faster starts and stays sharp longer than standard bits
• Also reduces slipping in standard drill chucks