Concrete, Marble, Brick, Stone, and Masonry Hole Saw - Carbide Core Drill with Adapter and 8x110mm Centering Drill Bit - Concrete Core Drill

APPLICATION - The GRAFF 68mm hole saw is designed for drilling blind and through holes in concrete, masonry, and silicate brick under electrical outlets, rosette plates, and for any other mounting procedure.

UNIQUE CONSTRUCTION - Our drill bit is made of durable steel and features ventilation holes for free venting of dust and chips generated during drilling.

The SDS drill bit set is constructed in a fully molded body and equipped with a replaceable center drill bit. ADVANTAGES - The 68mm concrete core drill bit has asymmetrical teeth made of a primary hard tungsten carbide alloy with welded cutting segments. NO OVERHEATING - The GRAFF carbide hole saw does not overheat due to its special shape and is designed for impact drilling with a rotary hammer, hammer drill, or power drill. SPECIFICATIONS - Diameter: 68 mm, SDS Plus Adapter: 110 mm (M22 thread), Center Drill Bit: 8x110 mm.