Deli Extended Alloy Eccentric Drill Bit Set 12mm for Dry Drilling Tiles Glass Marble Concrete, 3 Pieces

Newly designed for drilling concrete and ceramic tiles

Special offset head design for quick and precise positioning

Double spiral chip removal grooves for smooth cutting and efficient debris evacuation

U-shaped dual chip removal grooves to prevent chip accumulation and ensure high-speed, smooth operation

Hexagonal shank design for strong, durable, and secure grip with wide compatibility

High-quality tungsten carbide head for wear resistance, impact resistance, sharpness, and long service life

Hardened steel body with rust-resistant polished surface treatment

Fast drilling efficiency with sharp cutting edges

Shortened center blade distance for accurate and quick entry on tiles

Suitable for dry drilling without water on materials such as cement, red brick, glazed tiles, stone, steel, aluminum, plastic, wood, full porcelain, vitrified tiles, glass, concrete, quartz stone, ceramic, antique tiles, and wood

Requires water for drilling marble, granite, and steel plates

Universal application for hard materials, ensuring worry-free drilling