semi-trailer kingpin

Product Attribute:

Matrial:20#/40#/45#

Size:50(2")90(3.5")

Certification:TS16949

Applicationt: 

50(2"), 90(3.5")

Production Description:

Specification:
1. Kingpin size: 50(2),90( 3.5)
2. Material: Pin mat-40Cr, Flange mat-steel 45#/20Crmnti, forged and heat treatment. 
3. Pin Thickness: 50-50.8mm for 2size; 89.5-90.5mm for 3.5size. 
4. Nut and Bolt: Mat-40Cr, 2size:10.90; 3.5size: 10.90 auto lock bolt, 8/12 holes with or without central hole. 
5.Package: Carton or customization
6.Certification: ISO/TS16949