Moretop Step Tip Hard Tile Drill Bits Patented Design
Item specifics
- Brand
- OEM brand
- Diameter
- 1/4", 5/16"' 3/8", 1/2"
- Overall Length
- 4", 4", 4-3/4", 4-3/4"
- Tip
- Step Tip
- For machine
- Power Drill, Impact Drill
- Recommended Market
- Global
Review
Description
It is the most special hard tile drill bit we offer
Features:
- Application Scope: Suitable for super-hard polished quartz tiles and slate tiles (Mohs hardness 7-9).
- Step Design: Pilot hole and reaming done simultaneously, fast and labor-saving.
- Dry Construction: No water needed; optional cutting oil for cooling.
- Patented step head structure realizes two-point cutting,effectively avoiding alloy overheating and annealing.
- Precise Cutting: Smooth cut without burrs, no secondary processing required.
- Anti-rust & Stable: Nickel-plated, anti-oxidation, no deformation.














