CMT 551-083X Bi-Metal Plus Hole Saw 3-1/4" (83mm) L Strap Ties 120 is a 12 diameter

120 is a 12 diameter 4 Flute Dowel Drill (Short Series)

Diameter 5" (127mm)

080 is a (For Domino Joinery)

more positive mechanical connection between the post and the deck or concrete surface

Precision Ground Each knife ground to exact tolerances for consistent profile quality

CMT 551-083X Bi-Metal Plus Hole Saw 3-1/4" (83mm) L Strap Ties 120 is a 12 diameterThe CMT 551 083X is a 3 1 4" (83mm) 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 4" (83mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor