Trailer Kingpin 2inch, 3.5inch, Packaging Type : silver, black

We are offering trailer kingpin, 2inch/3.5inch kingpin, bolt-in kingpin. Specification: 1. Kingpin size:2inch,3.5inch 2. Material: pin mat-40cr, flange mat-steel 45#20crmnti, forged and heat treatment. 3. Pin thickness: 50-50.8mm for 2 inch size; 89.5-90.5mm for 3.5 inch size. 4. Nut and bolt: mat-40cr, 2 inch size:10.90; 3.5 inch size: 10.90 auto lock bolt, 812 holes with or without central hole. 5.package: carton or customization 6.certification: isots16949