DT-DIATOOL Diamond Core Drill Bit 1-1/2 Inch 2-Pack Tile Hole Saw with 5/8"-11 Thread Drilling for Ceramic Tile Procelain Tile Marble Granite - DT9653601038x2T

• UPC   759039777659
• 【Specification】Core Drill Bit Diameter 1-1/2"(38mm), total length 60mm, diamond height 10mm. Thread: 5/8"-11. Diamond grit: #35/40. Drillable depth: 35mm. 【Application】Dry or wet drilling in ceramic tile, porcelain tile, marble and granite. Wet use extends life. Not for wood, glass and any metal material. 【Machine】Angle Grinder. Recommend RPM: 6000. Max RPM: 11000. Please try to get as close as possible to the recommended drilling speed to help prolong service life. If you fit them on hand drills, you need an adapter, such as sds, hex, round plus shank, etc. And don't use hammer or impact mode. 【Fast drilling】Serrated special cutter head greatly improves sharpness and drilling speed. Serrated cutter head has several chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged. 【Long life】Vaccum brazed technology enables a stronger bond between diamond, bond and substrate, greatly improving the drill bit's life and work fficiency.