Concrete Hole Saw Drill Bit 30 mm, 40 mm, 50 mm, 68 mm, Core Drill Bit 320 mm Shank for Masonry Natural Stones Stoneware Marble

Concrete Hole Saw kit includes multiple sizes of hole saws 30mm, 40mm, 50mm and 68mm, accompanied by a 320mm connecting rod. concrete hole saw kit is supplied with all elements needed for use center drill, a wrench, a hex nut and an adapter head. concrete hole saw kit is made from carbon steel and alloys. center drill has a 3 flute cutting design with an angle of 135°. wall hole saws and drills are designed to be installed on power tools.