CMT 550-089X Multi-Purpose TCT Hole Saw 3-1/2" (89mm) Router Bit Sets The CMT 551-070X is a

The CMT 551-070X is a 2-3/4" (70mm) Bi-Metal Plus Hole Saw (Series 551X) with XTREME FAST Push&Lock system

080 is a 8 diameter 2 Flute Dowel Drill (Long Series (70mm))

Kerf Range 1/4 inch to 13/16 inch (adjustable)

064 is a 1/4" diameter 4 Flute Dowel Drill (Long Series (70mm))

Up/downcut spiral bits are compression bits that cut upward and downward simultaneously for chip-free faces on both sides -- ideal for CNC through-cuts in plywood

CMT 550-089X Multi-Purpose TCT Hole Saw 3-1/2" (89mm) Router Bit Sets The CMT 551-070X is aThe CMT 550 089X is a 3 1 2" (89mm) Multi Purpose TCT Hole Saw (Series 550X) with XTREME FAST Push&Lock system. The carbide tipped construction cuts wood, plywood, MDF, laminates, plasterboard, plastics, bricks, aerated concrete, and soft tiles 5X faster than standard hole saws. Compatible with all CMT 550 551 arbors via the Push&Lock quick change system. SPECIFICATIONS Diameter 3 1 2" (89mm) Cutting Depth 4 inches Blade Material Carbide Tipped (TCT)