
Zc Trademark Zcbolt Wind Blade Connection Stud Bolt for Industrial Use. High Strength Material: Made from 42CrMoA/42CrMo4/40CrNiMoA alloy steel with grades 10.9 and 12.9. Anti-Corrosion Protection: Surface treated with Hot Dip Galvanized, Delta, or Dacromet for wind farm environments. Full Customization: Supports customization from samples, designs, and drawings for specific needs. Internal Quality Control: CNAS-certified in-house laboratory ensures full traceability and testing. Large Diameter Capability: Specialized production lines for large-diameter and long-length stud bolts. Comprehensive Inspection: 100% visual and functional inspection for all finished products. Certified Manufacturing: ISO9001, ISO45001, and ISO14001 certified with 15 years of export experience. Fast Delivery Options: Delivery within 14 days for stock items; 30 days for first production run.