Features： 1、CEMENTED CARBIDE: Made of integral heat treated carbide YG8 material, with high hardness and wear resistance. 2、DOUBLE SLOT DESIGN: The carbide burr rotary file is double slot design, which has fast chip removal and high processing efficiency. 3、FINE PROCESSING: With high processing quality and smoothness, and can be processed into various high accuracy mold cavities. 4、STRAIGHT SHANK: The grinding bit has standard straight shank, easy in installation, safe and labor saving in operation. 5、WIDE APPLICATION: Can be used for metal products, model making, wood carving, welding operations, to help grinding and deburring. Specification： Item Type: Grinding Bit Product Material: YG8 Alloy Product Model: EX1220 Slot Type: Double Slot Tool Shape: Oval Shank Diameter: Approx. 6mm / 0.24in Tool Diameter: Approx. 12mm / 0.47in Blade Length: Approx. 20mm / 0.8in Application: Widely used in metal products, tool manufacturing, engineering, model engineering, wood carving, jewelry manufacturing, welding, chamfering, casting, deburring, grinding, cylinder head transplantation and carving Package List： 1 x Grinding Bit