CMT 551-127X Bi-Metal Plus Hole Saw 5" (127mm) T Strap Ties 01 is a precision CNC

01 is a precision CNC chuck for ER40 collets with ISO30 shank for use on CNC machining centers and point-to-point machines

Exterior framing and treated-wood applications requiring enhanced corrosion resistance

000 is a boring bit adapter with M8 threaded shank for attaching dowel drill bits to boring machine spindles

121 is a (For Domino Joinery)

CMT 551-127X Bi-Metal Plus Hole Saw 5" (127mm) T Strap Ties 01 is a precision CNCThe 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