
Solid Carbide Long Neck Ball Nose End Mill HRC55 for Alloy Steel. HRC55 Hardness Capability: Solid carbide construction with HRC55 hardness for processing alloy and stainless steel. TiSIN Nano Coating: Blue nano TiSIN coating reduces abrasion and makes wear easy to recognize. Smooth Wide Flute Design: Optimized flute geometry ensures efficient chip removal and prevents clogging. High Precision Grinding: Achieves processing precision of 0.005-0.01mm for high-quality surface finishes. Customization Accepted: OEM service and customized sizes available based on client drawings and requirements. Versatile Material Compatibility: Suitable for carbon steel, mold steel, stainless steel, titanium, and tool steel. Free Sample Available: Free samples provided upon client agreement to cover shipping costs. 24-Hour Online Support: Immediate response to technical questions to ensure smooth production operations.