55mm SDS Plus Shank Hole Saw Cutter Concrete Cement Stone Wall Drill Bit

Specification:Material: AlloyColor: SilverSize: 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mmConnecting rod length: 200mmThreaded hole: 32mmProcess: High-frequency welding technology inlay alloyUses: Suitable for brick, concrete walls, air conditioning openingsFeatures: Made of high quality metal material and with carbide tippedRounds alloy blade combinations, each blade to bear part of the workload, not prone to chipping off the edgeHigh-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, precision engage, appearanceNote：1.At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes.2.Size for manual measurement, there may be a 0 to 5 mm error, belongs to the normal phenomenon.3.The cutter is sharp enough,please get away from children.Package Included:1 * 55mm Concrete Hole Saw1 * 200mm Connecting Rod1 * Drill Bit1 * Positioning Screw

• ☀SIZE：Diameters are available in a variety of sizes:30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm.suited for any rotary hammer drill which accepts SDS-max shank.
• ☀HIGH QUALITY：Use YG8 carbide manufacturing, the matrix 40CR, high-frequency welding technology inlay alloy,very durable. Simple operation, easy to use,and fast perforated.
• ☀BLADE DESIGN ：Rounds alloy blade combinations, each blade to bear part of the workload, not prone to chipping off the edge.
• ☀HIGH-FREQUENCY WELDING TECHNOLGY ：welding openings is very strong, smooth inside and outside welding mouth, precision engage, appearance.
• ☀WIDE USAGE : Great for drilling concrete wall, stone, brick, cement, masonry, aerated block, slump block, air-conditioning installation.