10-Piece Diamond-Coated Core Drill Bit Set

Achieve industrial precision in your most delicate surfaces with our Professional Diamond-Coated Core Drill Bit Set. Engineered for the demanding tasks of drilling through glass, ceramic, tile, and marble, these bits feature a high-density industrial diamond coating that ensures clean, chip-free holes with every pass. Constructed from high-strength carbon steel with a nickel-plated finish to resist corrosion, this 10-piece set provides the versatility needed for everything from fine jewelry work to heavy-duty plumbing and home renovation. Whether you are installing a shower fixture or creating custom glass crafts, these precision-machined hole saws deliver the cooling efficiency and cutting power required for a professional-grade finish.

Key Features

• Industrial Diamond Grit Coating: Engineered with a specialized diamond layer that provides superior cutting speed and longevity when working with high-hardness materials.

• Clean & Precise Hole Execution: Designed to minimize "walking" and prevent surface cracking, ensuring a smooth, professional edge on both the entry and exit points.

• High-Strength Carbon Steel Body: Features a nickel-plated finish for enhanced rust resistance and structural integrity under high-torque drilling conditions.

• Efficient Heat Dissipation: Each bit is designed with lateral clearance holes to facilitate the removal of debris and ensure maximum cooling airflow during the drilling process.

Why Choose Our Professional Diamond Set Unlike standard masonry bits that cause heat buildup and shatter glass, our diamond-coated core bits utilize abrasive grinding technology for a much safer and more accurate cut. While generic sets often include only a few sizes, our comprehensive 10-piece collection covers every common diameter from 1/8 in to 2 in. We prioritize performance and durability, delivering a professional-grade toolkit that eliminates the frustration of ruined materials and provides a flawless finish every time.

Perfect For

• Tiling & Bathroom Renovations: Drilling perfect holes in ceramic and porcelain tiles for plumbing lines, faucets, and towel bars.

• Glass & Mirror Work: Creating custom holes for wiring, mounting hardware, or drainage in glass bottles and vases.

• Masonry & Stone Crafts: Precision drilling in marble, granite, and slate for home decor and construction projects.

Product Specs

• Material: Nickel-Plated Carbon Steel with Industrial Diamond Coating

• Quantity: 10 Pieces per Set

• Compatibility: Standard Electric Hand Drills or Drill Presses

• Recommended Use: Always use water for lubrication to extend bit life and prevent overheating.