CMT 551-070X Bi-Metal Plus Hole Saw 2-3/4" (70mm) Step Drill Bit 17 Different Rabbet Sizes With

17 Different Rabbet Sizes With optional bushing sets 791

Tongue & Groove Profile B Bit

5 suitable for use in high-wind or seismic zones

The 8% Cobalt bi-metal construction provides 2X longer cutting life than standard hole saws

CMT 551-070X Bi-Metal Plus Hole Saw 2-3/4" (70mm) Step Drill Bit 17 Different Rabbet Sizes WithThe CMT 551 070X is a 2 3 4" (70mm) Bi Metal Plus Hole Saw (Series 551X) with XTREME FAST Push&Lock system. The 8% Cobalt bi metal construction provides 2X longer cutting life than standard hole saws, and cuts stainless steel, steel, cast iron, aluminum, copper brass, and plastics. SPECIFICATIONS Diameter 2 3 4" (70mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor