660 6-Piece Quick Change Carbide-Tipped Unfinished Hole Cutter Set, 7/8' - 2'

6-PIECE QUICK CHANGE CARBIDE CUTTER KIT: Creates accurate and clean 7/8-in. to 2-in. holes swiftly and smoothly in stainless steel, mild steel, copper, and aluminum. QUICK CHANGE ARBOR: The 645-011 Quick Change Arbor, featuring a minimum chuck capacity of 3/8 in., works with all provided cutter sizes and enables simple cutter head swaps with a button press. OPTIMUM DESIGN: Incorporates a flange stop to avoid over-drilling and a replaceable cobalt-steel pilot drill with a split-point tip to minimize walking. DURABLE CONSTRUCTION: Precision-ground carbide teeth deliver extended performance while minimizing unwanted chatter and noise. COMPLETE HOLE-MAKING SET: Contains a quick change arbor, a hex key, and 5 cutter head sizes - 7/8-in., 1-1/8-in., 1-3/8-in., 1-3/4-in., and 2-in., housed in a sturdy plastic storage case