The Made in China YOUHENG king pin is a crucial metal component utilized in semi-trailers to connect the tractor and trailer. It is classified into two types based on the diameter of the traction pin - 50mm (2 inches) and 90mm (3.5 inches). The material used for making the king pin is 40CR/steel 1 with a hardness level of 32-36HRC. The material grade can reach 4.9 after debugging. The plate thickness measures 20mm and can be customized based on customer requirements. It is essential to note that the bolt torque setting for the king pin should be 190NM.
Item |
YH1700 |
Material: |
Steel |
Packing |
kraft box |
MOQ |
1 000 sets |
Structure Function |
Trailer |
FOR 5TH WHEEL TRAILER - 3.5" COLLAR - BOLT IN TO WELD ON BOLSTER PLATE
King pin is a standard metal part used in semi-trailer to connect tractor and trailer. according to the diameter of the traction pin can be divided into 50 mm (2”)and 90 mm(3.5”)
1.Material : 40CR/steel 1
2.Material Hardness : can be reached 32-36HRC
3.Material grade : after debugging can reach 4.9.
4.Plate thickness : 20mm(can be customized according to customer requirements)
5.Note:The bolt torque setting 190NM
Weight: .30 pounds