CMT 551-089X Bi-Metal Plus Hole Saw 3-1/2" (89mm) Non-Ferrous/Aluminum/Plastic The seat of the MBHA3

The seat of the MBHA3

ZMAX galvanization offers extra corrosion resistance

The CMT Box and Finger Joint Set is an 8-inch set containing two identical 24-tooth FLAT blades for making precision box joints and finger joints

Nominal Diameter 1/8"

CMT 551-089X Bi-Metal Plus Hole Saw 3-1/2" (89mm) Non-Ferrous/Aluminum/Plastic The seat of the MBHA3The 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