CMT 551-127X Bi-Metal Plus Hole Saw 5" (127mm) LUS Light-Capacity U-Shaped Hanger with Double-Shear Nailing Each pack contains (1) HDU2-SDS2

Each pack contains (1) HDU2-SDS2

ZMAX galvanization provides extra corrosion resistance

Product Type Cutter Head / Shaper Bit

Why is the hot-dip galvanized finish important for this post base

040 is a 5/32" diameter 4 Flute Dowel Drill (Long Series (70mm))

CMT 551-127X Bi-Metal Plus Hole Saw 5" (127mm) LUS Light-Capacity U-Shaped Hanger with Double-Shear Nailing Each pack contains (1) HDU2-SDS2The CMT 551 127X is a 5" (127mm) 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 5" (127mm) Blade Material Bi Metal (BIM) 8% Cobalt Tooth Pitch Variable 4 6 TPI (alternate and side set) System XTREME FAST Push&Lock Arbor