CMT 551-089X Bi-Metal Plus Hole Saw 3-1/2" (89mm) Face-Mount Hangers 87mm) shank diameter router bits

87mm) shank diameter router bits and CNC tools

Compatible With ISO30

fewer blade changes and up to 25X longer life versus standard grinding discs

SK30 DIN 69871

Reduced Reveal: Screw-based fastening system minimizes the exposed hardware profile at the base of the column

CMT 551-089X Bi-Metal Plus Hole Saw 3-1/2" (89mm) Face-Mount Hangers 87mm) shank diameter router bitsThe CMT 551 089X is a 3 1 2" (89mm) 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 3 1 2" (89mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor