SM Products Hole Saw Shank Shape Pilot Drill - Hex 10 1/4-in x 7 1/8-in Size:1/4" x 7 1/8" Induction hardened cutting edges and

Induction hardened cutting edges and jaws for superior wear resistance

Their sure-gripping cross hatched knurled jaws ensures a stronger grip

perlite or other popcorn type ceiling aggregates

Applies in temperatures as low as 35°F

SM Products Hole Saw Shank Shape Pilot Drill - Hex 10 1/4-in x 7 1/8-in Size:1/4" x 7 1/8" Induction hardened cutting edges andHex wont slip in drill chucks. Use with TCT, Bi Metal, Tarantula or any threaded hole saw. Rapidly eject the core at the touch of a button. Change saws quickly and easily without tools. (Feature available for Hex 10 Arbors.) Cut holes in a snap even at an angle. Use your hole saw as a guide to enlarge existing holes..