Diamond Grinding Bits – Jade Stone Carving & Polishing Set

Ultra-Thin Diamond Grinding Bits for Stone, Jade & Precision Engraving

Take your stone carving, jade engraving, and polishing projects to the next level with this set of ultra-thin T-head diamond grinding bits. Engineered from durable metal with a diamond-coated working surface, these mounted points deliver precision and consistency for hobbyists, craftspeople, and professional engravers alike.

Why You'll Love These Grinding Bits

• Ultra-Thin T-Head Design: Allows access to fine detail work, tight grooves, and intricate patterns on jade, stone, glass, ceramics, and more.
• Diamond-Coated Abrasive: Provides superior hardness and long-lasting cutting performance across a wide range of hard materials.
• Wide Speed Compatibility: Suitable for use at 2,800–30,000 RPM — pair with your electric grinder, hanging mill, or hand electric drill for best results (tools sold separately).
• 2.35mm Shank: Standard shank size fits most rotary tool chucks and collets with ease.
• Versatile Use: Ideal for carving, engraving, grinding, and polishing jade, gemstones, hard stone, lapidary work, and DIY craft projects.
• Durable Metal Construction: Built to withstand repeated use and maintain shape under high-speed rotation.
• Great Value: Set of 10 bits — stock up and always have the right tool ready for your next project.

Specifications

• Material: Metal with diamond coating
• Shank Diameter: 2.35mm
• Head Style: Ultra-thin T-head mounted point
• Compatible Speed: 2,800–30,000 RPM
• Compatible Tools: Electric grinder, hanging mill, hand electric drill (not included)
• Quantity: 10 pieces per set
• Brand: Qme

Perfect For

• Jade and gemstone carving
• Stone and lapidary engraving
• Glass and ceramic detail work
• DIY craft and hobbyist projects
• Professional rotary tool users

For guidance on safe use of rotary tools and abrasives in your workspace, visit the OSHA Abrasive Wheel Machinery Safety Resource.

Frequently Asked Questions

Q: What materials can these diamond grinding bits be used on?

A: These ultra-thin T-head diamond grinding bits are designed for use on hard materials including jade, gemstones, natural stone, glass, and ceramics. Their diamond-coated surface makes them effective for carving, engraving, grinding, and polishing detail work across a variety of hard surfaces.

Q: What rotary tools are compatible with these bits?

A: The 2.35mm shank fits most standard rotary tool chucks. They can be mounted on electric grinders, hanging mills, and hand electric drills. Compatible speed range is 2,800–30,000 RPM. Note: rotary tools are not included in this set.

Q: How many bits are included, and what makes the T-head design special?

A: This set includes 10 diamond grinding bits. The ultra-thin T-head mounted point design allows precise access to fine grooves, detailed patterns, and tight areas that standard cylindrical or ball-head bits cannot easily reach — making them especially useful for intricate jade carving and stone engraving projects.