Trailer Kingpin Bolt 3.5-Inch Kingpin Bolts Are Welded to Kingpins. Welded Kingpin Bolts for Strong Trailer Support

Trailer Kingpin Bolt 3.5-Inch Kingpin Bolts Are Welded to Kingpins. Welded Kingpin Bolts for Strong Trailer Support. Durable 40Cr Steel Material: Forged from high-quality 40Cr structural steel for superior strength and longevity. High Strength Locking Bolts: Assembled with 10.9 class high strength locking bolts for secure connection. Multiple Diameter Options: Available in 50mm (2 inch) and 90mm (3.5 inch) sizes to fit various needs. Various Plate Thickness Choices: Select from 8mm, 10mm, or 12mm plate thickness options. 24 Hours Online Support: Dedicated after-sales service team available around the clock for assistance. 1 Year Warranty Coverage: Comprehensive 1-year warranty included for peace of mind. ISO/TS16949 & CE Certified: Product meets international quality standards with ISO/TS16949 and CE certifications. Traction Pin Variety: Compatible with mushroom, cross, double spoon, and L-type traction pins.