Dry Diamond Core Drill Bit,HIGHDRIL 5Pcs Diameter 6mm 1/4" with Triangle Shank Vacuum Brazed Hole Saw for Concrete Granite Marble Glass Porcelain Tile Masonry Brick

• Triangle shank diamond core drill bits diameter 6mm 1/4",diamond length 10mm,total length 65mm,triangle shank-fit.
• Vacuum dry/wet brazed diamond drilling bits Core bits with triangle shank.
• Wax are inserted to the drill bit for cooling and Lubrication, without adding water.designed with groove in the side of drill bit for removing stone chips.
• Triangle shank design can be gripped tightly that won't slip out easily,used in 10mm (3/8 in) Hand Drill, Bench Drill.
• Multi-purpose drilling for granite & marble,masonry,concrete,tile/ceramic,stone,etc.

Vacuum brazed diamond drill bits, when you want to drill into wall, floor or something without cracking, our porcelain diamond drill bits will meet your needs in every detail, they are precise and flexible. Package content: 2 x 65mm diameter bits, 2 x storage boxes Applicable machine: triangle rod locked firmly, suitable for any electric drill, hand drill, bench drill, prevent drill bits from slipping, improving your work efficiency. When using the angle grinder, please install an angle grinder chuck. Recommended Application: Masonry, Stone, Ceramic Tile, Porcelain Tile, Common Glass, Ceramic, Marble, Granite, Microlite, Quartz Stone. Matain: After use, keep the bits clean and keep them in our storage box, for a long life.