HRC55 Carbide Square End Mill 2f/4f with Copper Coating

HRC55 Carbide Square End Mill 2f/4f with Copper Coating. TiSiN Coating: Contains silica for high surface hardness and thermal resistance. High Hardness Material: Uses Zigong ZK30UF tungsten steel for excellent wear resistance. 35 Degree Helix Angle: Ensures high adaptability to various material hardness levels. OEM and ODM Services: Customization available from both samples and designs. Wide Size Range: Available in multiple diameters from 1mm to 20mm with various lengths. 100% Quality Inspection: All finished products undergo visual and functional inspection. ISO9001 Certified: Manufacturing process meets international quality management standards. Flexible Payment Terms: Supports LC, T/T, D/P, PayPal, Western Union, and small payments.