DT-DIATOOL Diamond Drill Bit 6/8/10mm 3pcs/set Hole Saw for Dry Drilling Tile Porcelain Marble Ceramic Granite

• total 3 pieces; diameter 6/8/10mm; total length 10mm, diamond head height 10mm;diamond grit:#35/40.
• Vacuum brazing technology enables a strong bond between diamond, bond and substrate, greatly improving tool life and machining efficiency. Vacuum brazing technology has a much longer service life than electroplating technology.
• Drilling for ceramic porcelain tile marble,etc. Wax inside for cooling, dry drilling without water. Wet use helps prolong service life.
• Suitable for grinders with M14 threaded spindle. Recommended RPM: 6000. Max RPM: 11000. If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode.
• Not recommended for hard concrete, especially reinforced concrete.Please wear protective gear to protect your eyes, ears, mouth, nose, etc. before operation.

Item: DT-DIATOOL Diamond Drill Bits 6/8/10mm for Tile Porcelain Marble Granite Quantity:3pcs Specification: total length 62mm, diamond height 10mm; Application: Dry drilling for all tiles and marble; If you're drilling harder stone, such as hard granite, it's best to use it wet. Wet drilling avoids dust and extends the life of the drill bit.