Features and Benefits:

• Professional grade bi-metal hole saw
• Cobalt high speed steel teeth resist heat and wear
• Cuts 1-1/2" deep holes
• Cut hard and soft metals, nail embedded wood, wood and fiberglass
• 1/2-20 thread fits Mountain "A" Arbors

Professional grade, bi-metal holes with cobalt high speed steel teeth, electron welded to a shatterproof shock absorbing alloy body. Variable pitch tooth pattern cuts clean through stainless steel, brass, aluminum, pipe steel, nail embedded wood, hardwood, plywood, sheet metal and fiberglass. Cuts 1-1/2" deep holes. Arbor sold separately.