Description These tungsten steel end mill bits are designed for precision and durability, making them ideal for CNC machines and PCB engraving. The material ensures long-lasting performance, allows for efficient cutting and reduced wear. for professionals and hobbyists alike, these bits provide accurate cuts every time. 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 -end mill bits: made from tungsten steel, these end mill bits offer exceptional hardness and wear resistance, ensuring durability and reliability for demanding machining tasks -Precision cutting end mill bits: engineered with advanced cnc technology, these bits deliver precise cuts, enhancing productivity and ensuring smooth finishes on various materials -drill bits for carving: for engraving and milling on pcb boards, and other hard materials, making it ideal for professional and hobbyist projects -Compact drill bits for carving: lightweight and portable, these bits are compatible with a wide range of engraving machines, providing flexibility and ease of use during operations -Enhanced efficiency: designed for high speed processing, these bits reduce cutting time while maintaining accuracy, boosting overall work efficiencyPackage list: 10 x End Milling Engraving Bits