High Quality T45-45mm Threaded Button Bits for Drifting and Tunneling Drilling

High Quality T45-45mm Threaded Button Bits for Drifting and Tunneling Drilling. High Wear Resistance: Multiple heat treatments and CNC machining enhance lifespan in extreme rock formations. Low Fracture Rate: High-strength alloy steel bodies ensure fracture rates below 0.5% for drilling safety. Customizable Design: Tailored shank shapes, head designs, and tooth structures for specific rock formations. High Efficiency: High-speed impact and optimized chip evacuation maximize drilling productivity. Premium Materials: Manufactured with premium-grade steel and high-quality tungsten alloys for toughness. Low Tooth Loss: CNC assembly processes result in tooth loss rates below 0.5% for stability. Global Support: 24/7 technical assistance and spare parts supply available worldwide. Flexible Warranty: Standard 12-month warranty with optional extended coverage up to 36 months.