CMT 551-043X Bi-Metal Plus Hole Saw 1-11/16" (43mm) Step Drill Bit 11 is a 1/2-inch diameter

11 is a 1/2-inch diameter insert carbide straight router bit with 3/4-inch cutting length and 1/2-inch shank

Tools: Circular Saw

Flange Diameter 63mm

Manufactured by Simpson Strong-Tie from 12-gauge steel with a G90 zinc galvanized finish

CMT 551-043X Bi-Metal Plus Hole Saw 1-11/16" (43mm) Step Drill Bit 11 is a 1/2-inch diameterThe CMT 551 043X is a 1 11 16" (43mm) 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 1 11 16" (43mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor