CMT 551-064X Bi-Metal Plus Hole Saw 2-1/2" (64mm) Siding/Fencing/Trim Nails diameter machine bolts to secure

diameter machine bolts to secure the post to the column base

Built to the highest quality standards and trusted by engineers and contractors

The 1212HL is strongest when used in pairs

The solid carbide construction provides exceptional wear resistance and allows many resharpenings

CMT 551-064X Bi-Metal Plus Hole Saw 2-1/2" (64mm) Siding/Fencing/Trim Nails diameter machine bolts to secureThe CMT 551 064X is a 2 1 2" (64mm) 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 2" (64mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor