Specifications:
Name: Four-edge Serrated Drill Bit
Material: Hard Alloy Steel-YG6A
Hardness: 93 HRC
Segment Diameter: 6mm / 8mm / 10mm / 12mm
Total Length: 100mm (6mm), 115mm (8mm), 122mm (10mm & 12mm)
Working Length: 45mm (6mm), 60mm (8mm), 66mm (10mm), 68mm (12mm)
Applicable Materials:
Dry Applications: Ceramic Tiles, Marble, Granite, Quartz, Concrete Brick Walls, Wood, Plastic, Glass
Wet Applications: Stainless Steel Plate, Iron Plate, Aluminum Alloy, Copper

Features:
1. Four-edge Serrated Design: Enhances cutting precision and improves drilling efficiency, providing smooth and clean results for various material types.
2. Ultra-high Hardness: Made from YG6A hard alloy steel with a hardness rating of 93 HRC, this drill bit is equipped for handling hard surfaces like concrete and steel.
3. Wide Material Compatibility: Adaptable to dry and wet drilling, suitable for a diverse range including tiles, marble, metals, and wood.
4. Universal Hexagonal Shank: Designed for snug fitting with various standard electric drills, minimizing slippage during operation.
5. Optimized Heat Dissipation: Maintains performance even during extended usage, reducing wear and ensuring efficient drilling.

Package Included:
1 x 6mm Drill Bit
1 x 8mm Drill Bit
1 x 10mm Drill Bit
1 x 12mm Drill Bit