SM Products TCT Hole Saw Shank Shape Pilot Drill - Hex 10 1/4-In X 3-1/4-In Size:1/4" X 3-1/4" Includes accompanying drill bits for

Includes accompanying drill bits for pre-drilling holes

Use as a concrete waterproofer

crimp rings and stainless steel cinch clamps (ASTM F1807) in potable water installations

Outdoor use

Solid particles are removed by entrapment in this highly efficient filter media

SM Products TCT Hole Saw Shank Shape Pilot Drill - Hex 10 1/4-In X 3-1/4-In Size:1/4" X 3-1/4" Includes accompanying drill bits forHex 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..