4mm Flat Bottom Engraving Bit – Premium Solid Carbide CNC Router Bit
Engineered from high-grade solid carbide for extreme durability and precision, this 4mm flat bottom engraving bit delivers flawless cuts in wood, PVC, MDF, and acrylic. Its ultra-sharp edge and polished flute design ensure smooth, chip-free finishes with minimal burrs. Ideal for detailed engraving, sign-making, and cabinetry work, this bit excels in both manual and CNC routing applications. The flat bottom geometry guarantees clean, flat-bottomed grooves perfect for inlays and decorative edges. Heat-resistant coating extends tool life, while the precision-ground cutting edges maintain consistent performance even under high-speed operation. Upgrade your workshop with professional-grade reliability at unbeatable wholesale pricing.