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Unxuey Carbide Steel Concrete Cement Hole Saw Drill Bit 30mm/40mm/50mm

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Product description

  • Material: Chrome Vanadium Steel, sharp edge, strong corrosion resistance, thick and durable
  • Mainly for the opening of brick walls, adobe wall, cement walls, foam bricks and masonry walls, etc. It can used to install air conditioners, range hood or washing machines hole open ect
  • High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, precision engage, appearance
  • Pay attention to coolant when operating
  • Packing specification: 1x long connecting rods + ( 30mm / 1.18" drill bit ) + ( 40mm / 1.57" drill bit ) + ( 50mm / 1.96 drill bit ) + 1x Center positioning guide + positioning drill screw

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