TurstAid Diamond Hole Saw 4-1/8 Inch with Pilot Guide Drill Bit - Performance Diamond Tile Hole Saw for Porcelain, Glass, Marble, Ceramic

TrustAid Diamond Hole Saws with Pilot Drill Bit Drilling a clean hole on glass, tiles, marble, porcelain and ceramic etc. With pilot drill bit to avoids the hassle of slipping and drilling a precise hole. Wide range of diameters are available to meet your daily needs. Thicken diamond coated provide a longer service life. Uniform diamond coated provide a superior performance. Clearance hole allow for water to keep hole saws cooling and remove chips faster. Compatible with electric drills, cordless drills, bench drills. Notes on Use: 1. Always use water for cooling, otherwise the diamond core bit will burn. 2. Remove the pilot center bit after the circular slot drilled for a long service life. 3. Reduced drill speeds, low drill pressure. 4. Hole saws are consumables and their service life will vary in different hardnesses of materials. 5. Not for use on metal, toughened glass and cannot use impact mode.

• Diamond Tile Hole Cutter: Made of industrial grade carbon steel and quality diamond grits coated with brazing Technology, Offers superior performance for your drilling tasks.
• Drilling a Precise Hole: With pilot center drill bit design, Avoids the hassle of slipping and makes drilling holes on tiles easy and precise.
• Durable: Thicken and uniform diamond coated provide a superior performance and longer service life, Large clearance hole on lateral side allow for water to keep cooling and remove chips faster.
• Versatile Application: Designed for quick drilling on hard materials, ideal for use on glass, ceramics, porcelain tiles, limestone, marble, quartz, light stones, granite and fiberglass.
• Instructions for Use: Start with the pilot bit for exact positioning and remove the pilot bit after position, Keep the RPM 500-800 and use water to keep it cooling for last long. Use the main diamond hole saw in a wobbling motion to facilitate debris removal and achieve perfect holes with minimal force.