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【Professional-Grade Serrated Drill Bit Set】12-piece tungsten carbide drill bits with titanium coating for enhanced durability and heat resistance. Ideal for drilling into concrete, tile, glass, brick, and metal surfaces with long-lasting sharpness.
【Unique 4-Flute Eccentric Design】Features precision serrated edges and aggressive spiral grooves for smooth, fast drilling performance. The innovative flute design effectively removes debris when working with tough materials.
【Secure Hex Shank Construction】Hexagonal shank provides maximum grip and reduces slippage during operation. Compatible with hand drills, electric drills, and bench drills for versatile use across different job sites.
【Multi-Material Versatility】Perfect for various applications including masonry work (concrete/brick), tile/stone installation (ceramic/glass), and DIY projects (wood/plastic). Delivers clean, burr-free holes every time.
【Complete Professional Set】Includes 12 drill bits ranging from 3mm to 16mm (1/8" to 5/8") to handle any drilling task. Comes with a durable storage case for easy organization and transportation to job sites.

وصف

Engineered for professional contractors and serious DIYers, our 12-piece serrated masonry drill bit set delivers unmatched performance across multiple materials.

Key Features & Benefits:

Professional Performance
Laser-calibrated grooves remove debris; 135° split point prevents walking for clean starts.

Advanced Serrated Cutting
4-flute eccentric design with sawtooth edges + titanium coating reduces friction 40% for faster drilling in concrete, brick, and tile.

Industrial Durability
YG8X tungsten carbide (HRC 90+) with 1100°F heat-resistant titanium coating prevents wear.

Multi-Material Use
For:
Masonry: Concrete/brick/cinder block
Tile/Stone: Ceramic/porcelain/marble
DIY: Wood/plastic/thin metal (

Pro Usage Tips:
For glass/tile: Use water cooling and maintain 800-1500 RPM
Start with smallest bit when drilling hard surfaces
Keep drill perpendicular (90°) to work surface
Clear debris regularly for optimal performance

Package Includes:
5-piece drill bit set

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