110mm Rock Drilling DHD340 DTH Drill Bit

110mm Rock Drilling DHD340 DTH Drill Bit. Premium Material Composition: Made from 23crni3moa and 25SiMnCrNi2MoVA nickel-alloy steel for high durability. Advanced Heat Treatment: Special stress relief processes ensure consistent performance and extended lifespan. Customizable Design: Shape can be customized to Flat, Concave, or Convex; Color is Black. High Penetration Rate: Designed for maximum performance and efficient hole cleaning ability. CNC Precision Processing: Entire CNC procedure ensures quality consistency and reliable manufacturing. SGS Certified Quality: Meets GB standard and holds SGS certification for verified quality. 23 Years Manufacturing Experience: Specialized in drilling tools production with advanced technology and equipment. OEM/ODM Support: Flexible customization available with OEM and ODM services supported.