2-12mm End Mill Set: This end mill set includes 8 diameter sizes of 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm.Material: steel has the advantages of high hardness, wear resistance, toughness and corrosion resistance. It also has stronger heat resistance than HSS, so it can maintain hardness even at high temperature. Tungsten steel is mainly composed of tungsten carbide and cobalt, accounting for 99% of all components. Tungsten steel is also called cemented carbide and is considered to be the teeth of modern industry.Detail design: High-precision with suitable negative forefoot design, taking into account the strength and of the . At the same time, the core diameter is used to enhance the rigidity of the tool and make the cutting and chip removal stable.Wide Application End Mill:It can be used on many fields, such as metal processing, CNC machining and engineering using. chip flute design for smoother chip removal, making the workpiece smoother and brighter.Material: steelColor: as shownPackage Contents:8pcs 2-12mm End Mill SetOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.