
Taper Drill Bit for Micropile Tunnel Anchor Project. Comprehensive System Components: Includes steel hollow bar, coupler, plate, nut, and sacrificial drill bit for complete anchoring. Wide Range of Drill Bit Types: Offers EX, EXX, ESF, ESD, ESSF, EW, EC, ECC, EY, and EYY bits for various ground conditions. Diverse Diameter Options: Available diameters range from 42mm to 280mm to suit different project requirements. High Strength Alloy Material: Constructed from high strength alloy steel for durability in granite, rock, and ordinary soil. ISO 10208 Standard Compliance: Manufacturer adheres to high ISO 10208 standards for grouting drill bit quality and safety. OEM and ODM Services: Full customization available from samples with dedicated R&D engineers and production facilities. 100% Product Inspection: Every finished product undergoes visual and functional inspection by 2 QA/QC inspectors. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union for secure international transactions.