hsawbit 40mm Core Drill Bit SDS Concrete Hole Cutter with 110mm SDS Shank, Masonry Hole Saw Wall Hole Cutter Holesaw for Concrete Brick Wall Stone

• Cutting Diameter:40mm; ROD: 110mm SDS Plus Shank Connecting Rod
• Made of high-quality steel and tungsten, high-frequency welding technology, smooth inside and outside welding mouth, very STURDY and fast perforated
• Upgraded high-strength tungsten alloy teeth, longer life,sturdy, male thread adapter design, match your drill chuck fastening and much more improve speedier drilling.
• The masonry drill bit is widely used for cutting concrete, brick engineering, drilling walls, stone, air-conditioning installation, etc.
• We promise provide you satisfied after sale service, if there is any problem, Please contact us directly, we will refund you full payment or send you a new replacement.

Packing Included: 1 x Wall Hole Saw 1 x Connecting Rod 1 x Drill Bit 1 x Wrench Warm Tips The cross positioning drill is more balanced and stable when working Opening hole material: Cannot be used for marble.pebbles, and to avoid rebar in cement walls For use below 100 mm: 7A-9A ,Above 100 mm: 9A -13A, SDS plus rotary hammer drill. Lower the SPEED at the beginning otherwise, it is easy to break teeth