Electric Hollow Core Drill Bit Shank Round Hammer Hole Opener Adapter Connecting Rod 330mm

Item Type: Electric Hollow Core Drill Bit Shank Material: High carbon steel Color: Silver Specifications: Approx. 330mm / 12.99in Wide Application: Used for the connection of electric hammers and impact drilling equipment and the conversion of water drill hole openers WEAR RESISTANT MATERIAL: Made of excellent high carbon steel material with heat treated possess high strength surface treated wear resistant to ensure long service life NO EDGE DROP: Combination of round alloy blades each blade bears part of the workload and not easy to drop the edge FIRM WELDING: Adopt high frequency welding technology the welding opening is very firm the inner and outer welding ports are smooth and the appearance of the joint is accurate WIDE USES: Used for the connection of electric hammers and impact drilling equipment and the conversion of water drill hole openers FOR WALL: This electric hollow core drill bit shank can achieve core removal of concrete cement stone wall useful and practical 1 x Connecting Rod 1 x Drill 1 x Hex Wrench 1 x Nut