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.