14Pcs Coated Hole Saw Drill Bit Set 3-70mm | Hardened Grit for Glass/Tile/Marble | Skilled Drill Bits with Water Cooling | Improved Coagulation Treatment

Produktbeschreibung

Hardened Grit Coating - These hole saw bits feature upgraded resilient grit material with electroplating sand suction technology, delivering smooth edges and no breakage for efficient construction holes in glass and tile. Effective Performance - Designed for skilled drills (800-1000 RPM), these drill bits require water cooling during use to extend lifespan and maintain cutting accuracy on hard materials. Multi-Material Versatility - Coated hole saw set effortlessly cuts through glass, marble, ceramic tiles, plastic sheets, and wood, making it ideal for plumbers, tilers, and DIY enthusiasts. Comprehensive Size Range - 14-piece set includes sizes from 3mm to 70mm (3/5/6/8/10/12/16/18/20/30/40/50/60/70mm) to handle various drilling needs in one kit. Protection First - Always use protective gear when operating. Includes usage tips: maintain steady pressure, ensure proper cooling, and avoid dry drilling to minimize overheating and coating damage.