ARTU 1 In. Tungsten Carbide Grit Hole Saw with Arbor and Pilot Bit Food Storage the ribbed rubber is for

the ribbed rubber is for positive holding

Clamp Eliminates Blade Wobble for More Control

2 over raw wood

used on exterior of door on the floor application

ARTU 1 In. Tungsten Carbide Grit Hole Saw with Arbor and Pilot Bit Food Storage the ribbed rubber is forDesigned to work with any variable speed hand drill to cut clean holes smoothly without snagging. Cuts abrasive construction materials. Tungsten carbide grit edge is self sharpening for long cutting life. Extreme resistance to heat and abrasion. Arbor design allows for easy removal of cut material plug. For the builder, tile setter, homeowner, do it yourselfer, construction worker and other professionals. Drills ceramic tile, concrete block, cement