Diablo Tools 1/4 in. x 3-7/8 in. High Performance Bi-Metal Hole Saw Pilot Bit

Diablo’s new, high performance bi-metal hole saws deliver faster cutting performance and increased productivity. Unlike anything on the market, Diablo's bi-metal hole saw system and mandrel design simplify the attachment process for fast and efficient bi-metal hole saw mounting. These radical new bi-metal 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.