SPEEDBOR 1877239 Irwin Tools Max Wood Drilling Bits 4-Inch 6-Piece

IRWIN SPEEDBOR Drill Bit Set Three cutting spurs for quicker, cleaner holes, less breakout and extended exploration life. Complete screw-point tip enables bit to self-feed for simplicity of drilling. Shorter total size for drilling in limited rooms. Suitable for burrow to 2 deep. 1/4 quick-change shank lowers insinuating typical chucks as well as is compatible with all 1/4 quick-change chucks, including influence drills.

• Three cutting pores for faster, cleaner, less debris and longer drilling life
• Fully screwed tip allows the bit itself to be inserted for easy drilling
• Shorter overall length for drilling in tight spaces. Ideal for holes up to 5cm deep
• 1/4 quick change shank reduces slipping in standard chucks and is compatible with all 1/4 quick change chucks, including impact drills