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 wit