DEHUIWI 9PCS Masonry Hole Saw Kit - 4 Inch SDS Plus Max Bit Shank for Cement Brick Wall, Carbide Hole Saw Kit 30 40 65 80 100 MM, Diamond Drill Core Bit for Brick, Cement, Stone

Product Features

• 【HIGH MATERIAL】- DEHUIWI concrete hole saw kit is made of tungsten steel and carbide, durable and works under rough conditions, but is also super safe to use.
• 【UNIQUE BLADE DESIGN】- The masonry hole saws blade is made of raw materials, thicker and sharper than other ordinary blades. It can easily penetrate steel bars up to 6mm.
• 【WIDE APPLICATION】- The wall cutter bits are ideally used for open self-leveling concrete, hollow brick, cement wall, concrete wall, red brick, etc. when installing air conditioners, water pipes, water heaters, fume pipes, sewers, etc.
• 【SDS Plus&SDS Max】- The core drill arbor of the hole saw is designed with SDS PLUS 300mm and SDS MAX 300mm, which are perfectly matched with the round shank four-hole and five-hole electric impact drills respectively.
• 【5+2+2 KIT】- 5PCS Hole Opener: 4" masonry bit(100mm), 3.2" (80mm), 2.6“(65mm), 1.6" (40mm), 1.2" (30mm) ; 2PCS SDS Plus Max Connecting Rod: 11.25" (300mm), 11.25" (300mm); 2 PCS Center Drill Bit: 4.33" x0.32" (110mmx8mm).