
Tri-Corner Flat Bottom Drill Bit for Precision Woodworking and Metalworking. Seven-Color Coating: Features a distinctive seven-color coating for enhanced visual identification and performance. Flat-Bottom Design: Engineered with a flat-bottom shape to ensure clean and accurate holes in every drilling operation. Solid Carbide Material: Constructed from durable solid carbide to withstand heavy use and maintain sharpness. Precision Drilling Capability: Ideal for precision drilling applications in both wood and metal working tasks. Versatile Material Compatibility: Suitable for processing aluminum and other materials as specified in custom options. 100% Quality Inspection: Every finished product undergoes visual and functional inspection by dedicated staff. Flexible Customization: Offers full, minor, and flexible customization options from samples or designs. Fast Lead Time: Average lead time is within 15 workdays for both peak and off-peak seasons.