Features 1、Using high-density thread and mirror polished design, with high performance and better wear resistance 2、These drills have edges of sharpness and can be carved quickly, thereby increasing efficiency 3、Made of high-speed steel, more durable with more powerful cutting effect 4、It is a spiral design, will not stick to the blade or generate debris 5、Can be used for cutting, engraving, chamfering, beveling, etc., suitable for metal, nylon, various wood or precision parts Specification Features: High-density polished, super hard,wear-resistant, high temperature. Mainly used in cutting and hook slots. Specification: Material: HSS Flutes: Three Flutes Mill diameter: 6mm Shank diameter: 6mm Flute length: 24mm Total length: 68mm Package included: 1x 3 Flute End Mill Cutter CNC Bit Package List