Crafted from tungsten steel, these router bits are for engraving and milling tasks on various materials, including wood, metal, and PCB boards. The robust construction ensures stability and precision, while the edges deliver smooth and precise cuts. Ideal for intricate designs and detailed work, these bits are a must-have for any workshop. 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 -tungsten steel router bits: crafted from stable tungsten steel, these bits are built to withstand high intensity use, performance in tough conditions -Wide compatibility: router bits suitable for various engraving machines, these bits are for intricate carving and milling tasks on pcb boards and other hard surfaces -Precision engineering router bits: manufactured with meticulous cnc processes, these bits ensure accurate cuts, reducing material waste and improving project outcomes -Multipurpose router bits: ideal for woodworking, metalworking, and pcb board engraving, these bits cater to diverse crafting and industrial needs -User friendly design: compact and easy to handle, these bits simplify operations, allowing users to achieve professional results with minimal effort Package list: 10 x End Milling Engraving Bits