Achieve results with these tungsten steel end mill bits, designed for use with CNC routers and engraving machines. The high-strength material ensures sharpness and precision, while the unique design minimizes wear and tear. for a wide range of applications, from detailed engraving to general milling, these bits deliver reliable performance and exceptional results. Features -Color:Silver -Material:Tungsten steel -Size:4.00X0.30X0.30cm/1.57X0.12X0.12in -Note: Shank Diameter: 3.175mm/1/8 inch; Cutting edge diameter: 0.8mm / 0.031 inch -Robust tungsten steel: made from tungsten steel, these bits are highly stable and resistant to wear, ensuring reliable performance in demanding tasks -engraving drill bits: cnc engineered for accurate cuts, these bits deliver smooth finishes and detailed results, ideal for intricate engraving projects -Versatile functionality:router bit for engraving suitable for pcb boards, and other hard materials, these bits are for a wide range of engraving and milling applications -Lightweight router bit for engraving: compact and portable, these bits are easy to handle and compatible with various engraving machines, enhancing user convenience -Enhanced productivity: optimized for high speed machining, these bits improve efficiency by reducing cutting time while maintaining precision and quality Package list: 10 x End Milling Engraving Bits