Eitfs Professional Quality Tungsten Solid Carbide Boring Cutter of Good Price. Super Oxidation Resistance: Coating offers superior resistance to oxidation for extended tool life. High Precision: Achieves precision up to 0.01mm for accurate machining results. Wide Hardness Range: Available in HRC 45/50/55/60/65 to suit various material requirements. Flexible Customization: Offers full, minor, and flexible customization from samples or designs. ISO9001 Certified: Manufacturing process certified under ISO9001:2015 management system. 100% Quality Inspection: Every finished product undergoes visual and functional inspection. Fast Delivery: Standard delivery time is 7-15 working days for most orders. OEM/ODM Services: Professional OEM and ODM services available for custom requirements.