Meichoon Concrete Hole Saw 50mm 40mm 30mm Electric Hollow Core Drill Bit Shank 350mm Concrete Cement Stone Wall Drilling Hole Saw Cutter for Air Conditioner Masonry Tile

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Product description

  • Durable Materials - Made of premium 40Cr steel and tungsten alloy, this hole saw bit kit provides years of service even under harsh service conditions
  • High Quality - Made of a hard-tipped metal material with super robustness and durability, it can be used for many years in the harshest conditions without any loss of performance.
  • Excellent design - high frequency welding technology, very strong welding joints, smooth inside and outside welding joints.
  • Simple operation, easy to use,and fast perforated.
  • Wide range of applications - This masonry hole opener kit can easily drill through the most common wall materials (brick, adobe, concrete, cement and stone) so that you can install AC pipes, water pipes, exhaust hoses, and more!

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