Jintian 6mm Four-Blade Serrated Eccentric Drill Bit for Tile, Specialized Ultra-Hard Dry Concrete Ceramic Drill for Electric Drills

Enhanced hardness up to HRC62 with high-temperature forged carbide steel for durability and wear resistance.

Innovative chip removal and heat dissipation design combining four-flute and cooling grooves for efficient dry drilling.

Double R groove hex shank design ensures tight fit and stability during impact drilling with hand drills, lithium battery drills, and impact drivers.

Suitable for drilling through a wide range of materials including full ceramic tiles, marble, granite, plastic, glass, concrete, wood, quartz stone, stainless steel, iron plates, aluminum alloy, and copper.

Upgraded spiral grooves for rapid chip evacuation preventing drill overheating and burning.

High sharpness and penetration efficiency with steel plates as thin as 2mm.

Product lines include Goldtol, Coldtol, Soldtol, and Vartze, each tailored for specific user environments and applications.

Consistent uncompromising quality trusted by customers.

Extensive technical accumulation and refined management ensure product reliability.

Products designed to improve work efficiency and extend saw blade lifespan through correct selection based on user environment.