5/16 x 4-1/2-In. Multi-Purpose Drill Bit Degreasers The Ultra LWD of this

The Ultra LWD of this element helps prevent lime deposits and the high performance nickel-chromium stainless steel alloy sheath gives it additional strength to resist dry firing

4 To 6 Hrs

18x16 perma -coated aluminum screen attached

Includes 1 replacement cutting wheel under reamer in handle

5/16 x 4-1/2-In. Multi-Purpose Drill Bit Degreasers The Ultra LWD of this5 16" x 4 1 2" multi purpose drill bit, cobalt and tungsten carbide tip for maximum hardness and resistance to heat and wear, for rotary or percussion drilling, for use with masonry, concrete, brick, marble, granite, hardened steel, cast metal, fiberglass, plexiglass, ceramic tile, hard wood, soft wood and glass.