0.4mm 100pcs Flat End Diamond Cylindrical Mounted Drill Bits

The Diamond Coated Cylindrical Flat End Mounted Points are precision-engineered tools designed for high-speed grinding, carving, and sculpting on hard and soft materials, including glass, ceramics, jade, hardened steel, stone, and hardwoods. Compatible with Dremel®-type rotary tools, die grinders, and drill presses, these bits combine diamond-coated efficiency with unmatched versatility for flat and curved surfaces.

Key Features

• Diamond-Coated Flat End: Galvanically bonded diamond grit ensures rapid material removal and durability.

• Cylindrical Design: Ideal for flat surfaces, intricate detailing, and precision carving.

• Multi-Tool Compatibility: Fits rotary hand drills, flexible shafts, pendant drills, and drill presses.

• Heat Resistance: Minimizes thermal damage during high-speed operations.

Applications

• Lapidary & Jewelry: Carve gemstones or refine metal surfaces.

• Glass & Ceramics: Engrave glass art or polish ceramic components.

• Woodworking: Sculpt hardwoods with precision.

• Industrial Use: Detail hardened steel or composite materials.

Technical Advantages

• High-Speed Performance: Optimized for RPMs up to 30,000.

• Material Versatility: Effective on Mohs 6–10 materials.

• Precision Control: Flat-end geometry ensures stability for smooth finishes.

Why Choose This Tool?

• Efficiency: Removes material faster than silicon carbide or aluminum oxide abrasives.

• Durability: Outlasts resin-bonded tools in demanding workflows.

• Flexibility: Perfect for manual carving or automated systems.