CMT 551-086X Bi-Metal Plus Hole Saw 3-3/8" (86mm) Reciprocating which helps prevent direct contact

which helps prevent direct contact with moisture that can accumulate on concrete

it supports solid sawn lumber

54 Cutting Edges

102 is a 10 diameter 2 Flute Dowel Drill with Countersink (With Countersink (70mm))

CMT 551-086X Bi-Metal Plus Hole Saw 3-3/8" (86mm) Reciprocating which helps prevent direct contactThe CMT 551 086X is a 3 3 8" (86mm) 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 3 8" (86mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor