hsawbit 70mm Concrete Hole Cutter Core Drill Bit with 110mm SDS Plus Shank Connecting Rod, Masonry Saw Tungsten Carbide Teeth for Cement Brick Wall Stone

WHAT YOU WILL GET-- 1*70mm Concrete Hole Saw, 1*110mm SDS Plus Shank, 2* Center positioning drill bit, 1*positioning drill screw and 1*Wrench STURDY MATERIALS---Made of high-quality steel and tungsten, high-frequency welding technology, smooth inside and outside welding mouth, very STURDY and fast perforated UPGRADED DESIGN--Upgraded high-strength tungsten alloy teeth, longer life,sturdy, male thread adapter design, match your drill chuck fastening and much more improve speedier drilling. VERSATILE USE---It can be used to open self leveling concrete,hollow brick, cement wall, concrete wall, red brick etc. when installing air conditioners, water pipes, water heaters, fume pipes,etc. QUALITY SERVICE--For use below 100mm: 7A -9A SDS plus rotary hammer drill; For use above 100mm: 9A -13A SDS plus rotary hammer drill, 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.