14mm Ultra-Thin Diamond Hollow Core Drill – Deep Cutting for Glass, Stone & Ceramics

The Deepth Ultra-thin Diamond Hollow Core Drill is a professional-grade diamond drill bit designed for deep hole drilling in hard and brittle materials such as glass, gemstones, quartz, ceramics, stone, and tiles. Featuring an ultra-thin wall design, this diamond drill bit minimizes material resistance, reduces heat buildup, and ensures smooth, chip-free drilling for precision applications. Ideal for glass artists, lapidary workers, jewelers, and professional fabricators. Compatible with lapidary drills, CNC machines, hand drills, and rotary tools. Available in multiple diameters, it delivers consistent efficiency, long tool life, and high-accuracy results in every deep drilling task.

Application 

• Deep hole drilling in glass, gemstones, quartz, ceramics, stone, and tiles.
• Suitable for stained glass, fused glass, gemstone coring, and quartz countertop work.
• Ideal for lapidary grinding, jewelrymaking, precision fabrication, and CNC drilling tasks.
• Compatible with hand drills, rotary tools, CNC machines, and lapidary drilling systems.

Key Features

• Ultra-thin wall design minimizes resistance and ensures smooth, chip-free drilling.
• Professional-grade diamond structure provides long tool life and stable performance.
• Reduced heat buildup for safer and more precise drilling operations.
• Supports deep drilling applications with high accuracy and efficiency.
• Available in multiple diameters for various material types and precision requirements.