
Zcbolt Threaded Rod Stud Bolt - Custom Options for Every Project. Wide Material Selection: Available in Carbon Steel and Alloy Steel for diverse strength requirements. Multiple Surface Finishes: Options include Plain, Zinc Plated, Black Oxide, and H.D.G for corrosion resistance. High Grade Standards: Offers B7, B7m, L7, L7m grades compliant with DIN and ANSI standards. Full Customization Support: Custom production available based on customer drawings or physical samples. In-House Quality Control: CNAS-certified laboratory ensures internal testing and full product traceability. Large Diameter Expertise: Specialized production lines for large-diameter and long-length threaded rods. ISO Certified Manufacturing: Manufacturing process certified under ISO9001, ISO45001, and ISO14001 standards. Fast Delivery Options: Delivery within 14 days for stocked items; 30 days for standard production.