Description of IVY Classic 28105 8 Inch Through
Arbor with 1/2-inch-20 thread, adapts 5/8-inch through 1-1/8-inch hole saws for use with power drills. Cuts stainless and mild steel, nailed wood and plastic. Set screw in alloy-steel body for replacement of Pilot Drill. Includes 1/4-inch x 3-1/16-Inch HSS 118-degree split point pilot drill. Use with IVY Classic Pilot Bits: 28110, 28111 or 28132, Premium Swift bore (Registered Trademark).