When you don’t have a lot of holes to make, Blaircutters™provide fast, accurate holes in materials up to 3/16” thick.Blaircutters are annular cutting tools that cut around theedge of the hole and eject the center as a slug. Becausethey’re hollow there’s no dead zone as with twist drills.And unlike hole saws, that rip and tear through thematerial, they quickly give you a quality, virtually burr-freehole. Blaircutters are available in seven sizes for 1/4” andlarger drill chucks. Spring loaded pilot “pops” the slugfrom the cutter.