Features 【High Quality Material】: The end mill is made of ultra-fine grained carbide material, which has good milling and cutting performance, stable processing process, and high-efficiency work. 【High Hardness】: This carbide end mill has sufficient bending strength and wear resistance, and the cutting edge is very sharp and durable. 【Widely Used】: Carbide square end mills can engrave and process many items or materials, such as circuit boards, metals, plastics, stainless steel and copper. 【Good Surface Polishing】: The cutting edge can be used to mill holes, grooves and edges on the board, and the surface after polishing is very clean and neat, with no burrs on the shaft. 【Convenient Storage】: 10 pieces of engraving drill bits are packed in a plastic box, you can pack them in the plastic box and sort them for long-term use. Description: This set of end mills are made from ultra-fine grain cemented carbide material which ensures good milling, cutting performance and high work efficiency. These end mills are very good for processing on many materials including PCB, SMT, CNC, mold, engraving, plastic, copper, stainless steel and other hardware processing. Features: 1. The end mill is made of ultra-fine grained carbide material, which has good milling and cutting performance, smooth processing and high efficiency. 2. This carbide end mill has sufficient bending strength and wear resistance, and the cutting edge is very sharp and durable. 3. Carbide square head milling cutters can engrave and process many items or materials, such as circuit boards, metals, plastics, stainless steel and copper. 4. The cutting edge can be used to mill holes, grooves and edges on the board. The surface after polishing is very clean and neat, and there are no burrs on the shaft. 5.10 pieces of engraving drill bits The engraving drill bits are packed in a plastic box, you can pack them in the plastic box and classify them for long-term use. Specifications: Material: Cemented carbide Color: Sliver Shank Diameter: 3.175mm / 0.125inch Cutting Edge Diameter: 2.0mm Total Length: 37mm / 1.45inch Weight: 52g(approx.) Package Includes: 10pcs x End Mills Note: 1. Choose the appropriate feed rate and cutting speed based on the material being processed to increase tool life. Package List