Diamond Drill Bit Set 14pcs, Hole Saw Cutter for Glass Marble Tile, 3-70mm Coated Hole Opener Drill Bits with Advanced Diamond Material

Features: - Made from high strength material, with a special enhanced coagulation treatment from electroplating sand suction hole neat, smooth, no broken edges, which makes these drill bits and . - This section openings optimum glass openings, tiles can be opened, but just open a few holes in the opening, please add water, it will extend the life. - The hole saw drill bit set is installed on a professional drill or electric drill, bench drill. Rpm 800-1000 rpm or so, you must add water cooling holes during - Suitable for use in drill hole on glass, marble, tile ,blocks jars, fiberglass porcelain tile ceramic, slate mable, granite light Stone etc. - Will work with all electric drill and impact drill. Size: 3mm / 5mm / 6mm / 8mm / 10mm / 12mm / 16mm / 18mm / 20mm / 30mm / 40mm / 50mm / 60mm / 70mm Package Includes: 14 x Coated Hole Saw Drill Bits NOTE: 1 After opening installation, commissioning idling should observe whether the beating, then normal operation, the best results 2 Into the hole to have a smooth time, please do not exert pressure on the side and curves spud 3 Have enough openings for cooling and lubrication to reduce wear and coating products off 4 Non-occurrence of high-temperature drilling dry rub, causing severe wear affect the results 5 The operator must wear safety protective equipment to confirm

• Premium Diamond Material: This diamond drill bit uses advanced diamond material, with a special enhanced coagulation treatment from electroplating sand suction hole neat, smooth, no broken edges, which is the efficient construction, installation hole of choice
• Wide Application: The hole saw drill bit set is installed on a professional drill or electric drill, bench drill; Recommended Rpm 8001000 rpm or so
• Easy to Use: This diamond drill can be applied to job openings fast glass, plastic sheeting, wood and other products; suitable for drilling clean and accurate holes and cut circles with these tools
• 14PCS Mostly Used Sizes: Includes the following diameters 3mm/5mm/6mm/8mm/10mm/12mm/16mm/18mm/20mm/30mm/40mm/50mm/60mm/70mm; the size will meet most of your different needs
• Water Lubrication Required: Water is required for lubrication when drilling, which can extend the life of the drill bit set
• Versatile Material Compatibility: Suitable for use in drill holes on glass, marble, tile, blocks, jars, fiberglass, porcelain tile, ceramic, slate, granite, and light stone materials
• Universal Drill Compatibility: Will work with all electric drill and impact drill for convenient operation and flexibility