QUEFORET Diamond Drill Bits Set - 10pcs 1/4 Inch (6mm) Dry Hole Saw Kit for Drilling Ceramic Porcelain Tile Marble Granite, Round Shank

QUEFORET Diamond Drill Bits Set - 10pcs 1/4 Inch (6mm) Dry Hole Saw Kit for Drilling Ceramic Porcelain Tile Marble Granite, Round Shank

Specifications : 10pcs; Diameter: 1/4 inch (6mm); Total length: 65mm; Diamond height: 8mm; Grit: 50/60; Connection: round shank Application : Suitable for ceramic porcelain tile, marble and granite, etc Excellent for Dry Drilling : The wax inside the body melts when the bits heat up, thus bringing away extra heat. The spiral groove on the top benefits heat dissipation and clearance of chips Good Customer Experience : Using high quality diamond and vacuum brazing technology, which ensures the working efficiency and long lifetime; Dense and fine diamond particles reduce debris and make good effects Attention : Suitable for hand drills, etc. Higher speed is beneficial to longer work time of the bits. The drill bits DO NOT support the impact pattern