4-Inch Carbide Tipped Hole Saw Pilot Drill Bit for Fibre Cement Drilling

These new, high performance hole saws deliver faster cutting performance and increased productivity versus standard bi-metal hole saws. Unlike anything on the market, Diablo's hole saws and SnapLock Plus mandrel system simplify the attachment process for fast and efficient hole saw mounting. These radical new hole saws provide ultimate cutting length to bore deeper holes in a single pass, tool-free plug ejection and Variable Tooth Design for faster cuts. 1/4 inch. x 3-7/8 inch. High Performance Carbide Hole Saw Pilot Bit Snap-Lock mandrel system for a quick and easy change with no down time Tool free plug ejection for fast material removal Tool Use: Drill Press, Hand Held Drill Ideal for Fiber Cement and ceramic material