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Zhuzhou Carbide Insert Blank for Coal Mining Cutting Bits. Wide Application Range: Used in oil drilling, snow removal, quarrying, mining, and tunnel excavation. Multiple Shape Options: Available in Spherical, Conical, Parabolic, and Flat-Top shapes. Customizable Grades: Offers various grades including Yg6, Yg8, Yt5, T15, P35, Th251, K25, M01. OEM Acceptance: Accepts OEM orders to meet specific customer requirements. CE Certification: Product meets CE safety and quality standards. GB Standard Compliance: Manufactured according to GB standard specifications. Polished Surface: Features a high-quality polishing surface treatment. Forging Process: Produced using advanced forging manufacturing process.