Spyder 1/4-in x 3-1/4-in Pilot Bit
5x faster and up to 10x more cuts than standard bi metal hole saws and effortless plug ejection by dropping out the core with the push of a button.
Cut more materials: cuts wood w/o nails, cement fiber board, plastic, porous concrete block, brick, ceramic wall tile under hardness 6
Extend pilot drill length to cut at an angle
Durable high-speed pilot bits
Quickly change between cup sizes
For use with patented rapid switch and rapid core eject hole saws
Delivers immediate and effortless plug removal