
Zcbolt Threaded Rod Stud Bolt - Tailored Solutions for Your Needs. Customization Available: Produce according to drawing or sample with flexible customization options. Wide Material Options: Available in Carbon Steel and Alloy Steel grades B7, B7m, L7, L7m. Multiple Surface Finishes: Plain, Zinc Plated, Black Oxide, and H.D.G options for enhanced rust resistance. High Strength Grades: Offers grade 8.8 and 10.9 threaded rods ranging from M16 to M100. In-house Quality Control: CNAS-certified laboratory ensures all testing items are conducted internally. Full Traceability System: Batch number marking and online management system for product tracking. Large Diameter Specialization: Dedicated production lines for manufacturing large-diameter and long-length products. 100% Finished Product Inspection: Visual and function inspection performed on all finished products.