Our forged R38 / T38 thread cross rock drill bits are manufactured for coal mining rock drilling. High impact toughness and wear resistance for hard rock blasting hole drilling. Forged bit body with carbide inserts, stable performance and long service life. Custom sizes and thread types are available.
📞 WhatsApp / Phone: +86 18182075906 📧 Email: helen.zjw@gmail.com 🌐 Website: http://besttungsten.com
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Zhuzhou Site Cemented Carbide Co., Ltd is a leading tungsten carbide manufacturer in Hunan, China, specializing in high-performance cutting tools. With a comprehensive product range and strict quality control, the company ensures 100% product quality through multiple testing stages. It offers OEM/ODM customization and serves global clients with competitive pricing and fast delivery.
















