Feature:1. Versatile CNC Bits -- 12pcs 3 types of spiral flute designed carbide end mill bits set, work perfect on milling, CNC or cutting machines, 2D/3D carving, spiral blade with sharp end, fast cutting and engraving.2. Clean \u0026 Fast Chip Removal -- Spiral design, more space for fast and clean chip removal, High efficiency and stabality, it will not stick blade or create crumbs, allowing excellent processing the high-side and bottom finish when processing in a proper way.3. Premium Quality -- High quality heat-treated carbide construct milling cutter set with high quality finish provide good toughness and resistance, sharp and sturdy.4. Strong Compatibility -- 1/8inches(3.175mm) shank solid power tool carbide router bit fit most small rotary tools, woodworking drilling carving engraving, making DIY carving fans much easier to do the wood working job.5. Wide Application -- Widely used for cut, carve, chamfer, engroove, hollow and so no, function like most US router bits. For acrylic, resin, metal, aluminium, all kinds of wood, veneer board and various boards, PP, PA PCB, PVC, MDF and other many precision parts.Specification:Features:Versatile CNC Bits -- 12pcs 3 types of spiral flute designed carbide end mill bits set, work perfect on milling, CNC or cutting machines, 2D/3D carving, spiral blade with sharp end, fast cutting and engraving.Clean & Fast Chip Removal -- Spiral design, more space for fast and clean chip removal, High efficiency and stabality, it will not stick blade or create crumbs, allowing excellent processing the high-side and bottom finish when processing in a proper way.Premium Quality -- High quality heat-treated carbide construct milling cutter set with high quality finish provide good toughness and resistance, sharp and sturdy.Strong Compatibility -- 1/8inches(3.175mm) shank solid power tool carbide router bit fit most small rotary tools, woodworking drilling carving engraving, making DIY carving fans much easier to do the wood working job.Wide Application -- Widely used for cut, carve, chamfer, engroove, hollow and so no, function like most US router bits. For acrylic, resin, metal, aluminium, all kinds of wood, veneer board and various boards, PP, PA PCB, PVC, MDF and other many precision parts.Specification:Material: SteelCut End: Single Flute, Double FluteShank Diameter: 1/8in (3.175mm)Cutting Edge Dia: 1/8in (3mm), 1/16in (2mm)Cutting Edge Length: 17mm/0.7in, 8mm/0.3inOverall Length: 38mm/1.5inPacking Case: 98*65*10mm/3.9*2.6*0.4inPacking List:4 * Double Flute Milling Cutter4 * 3mm Single Edged Milling Cutter4 * 2mm Single Edged Milling Cutter1 * Plastic CasePackage List:4 * Double Flute Milling Cutter4 * 3mm Single Edged Milling Cutter4 * 2mm Single Edged Milling Cutter1 * Plastic Case