CMT 551-054X Bimetal Plus Hole Saw 2-1/8" Cold-Formed Steel Connectors This extra corrosion resistance makes

This extra corrosion resistance makes the ABW44Z especially well-suited for exterior environments and applications involving treated lumber

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

Coating/Finish: Zinc Plated

5 is coated with a Zinc Galvanized

Materials: Fiber Cement

CMT 551-054X Bimetal Plus Hole Saw 2-1/8" Cold-Formed Steel Connectors This extra corrosion resistance makesThe CMT 551 054X is a 2 1 8" (54mm) 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 1 8" (54mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor