Carbide End Mill, Hole Saw Cutter Wall Drill Bit 30-60mm Set Concrete Kits with 220mm Connecting Rod

Concrete Hole Saw Size:3Pcs concrete hole saw, 1-2/11 Inch(30mm), 1-3/5 Inch(40mm), 2-4/5 Inch(60mm).1pcs connecting rod k 8-7/10 Inch(220mm).3pcs center drill bit. 4-1/3 inch(110mm)Package Contents:3Pcs * concrete hole saw drill bits1pcs * connecting rod3pcs * center drill bits1pcs * screw

• The concrete hole saw kit, high-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth. Ultra-sturdiness and , easy to opearation, and long service life.
• This cement brick electric hammer drill bit widely used for cutting clean holes in concrete, brick and block work, drilling walls, stones, installation of air-conditioning, etc.
• Color: Gray
• Come with shank for this cement drill bits, male thread adapter design, match your drill chuck fastening and much more improve speedier drilling
• Wide for drilling concrete, walls, bricks, ceramic, wood, glass, tile, stainless steel and more; while drilling harder materials, Water or coolant is highly recommended