
Premium 50mm Chisel Drill Bits for Efficient Water Well Excavation. Premium Material Construction: Made from high-quality 42CrMoA and 40Cr alloy steel for superior strength and toughness. Versatile Drill Bit Types: Available in straight, cross, three blade, and ball gear forms for various rock conditions. Flexible Customization Options: Offers flexible customization including specific taper joint angles and sizes per customer requirements. Strict Quality Inspection: All spare parts undergo 100% visual and functional inspection before shipping. Rapid Response Support: Sales team responds to inquiries within 24 hours (excluding holidays). 24/7 Technical Assistance: Technical support is available at any time for ongoing assistance. Global Export Experience: Products exported to Europe, South America, Southeast Asia, Africa, Russia, and India. Established Manufacturer: Factory specializes in drilling tools and spare parts with 23 years of experience.