CMT 550-051X Multi-Purpose TCT Hole Saw 2" (51mm) Standoff Column Bases Do I need to purchase

Do I need to purchase fasteners separately for the HDU14-SDS2

Installation Fasteners: Install with (4) 0

SDS Rotary Hammer Drill

550 is a 55mm Forstner Bit for drilling precise flat-bottom holes in softwood

CMT 550-051X Multi-Purpose TCT Hole Saw 2" (51mm) Standoff Column Bases Do I need to purchaseThe CMT 550 051X is a 2" (51mm) 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 2" (51mm) Cutting Depth 3 inches Blade Material Carbide Tipped (TCT)