King Pins

Precision-Ground King Pins for Steering Axle Applications

Our king pins represent the pinnacle of precision manufacturing. Case-hardened and ground to tight tolerances, these pins ensure smooth steering action and long service life in demanding commercial vehicle applications.

Material

EN36 / 20MnCr5 / SAE 8620

Finish

Case Hardened & Ground

Hardness

58-62 HRC (surface)

Tolerance

±0.01mm

Applications

Trucks

Trailers

Buses

Download Datasheet

Quality Certified

Custom Available

Full Documentation

Technical Specifications

Material

EN36 / 20MnCr5 / SAE 8620

Finish

Case Hardened & Ground

Hardness

58-62 HRC (surface)

Tolerance

±0.01mm

Additional Details

Case Depth

0.8-1.2mm

Core Hardness

30-38 HRC

Surface Finish

Ra 0.8 or better (ground)

Straightness

0.02mm/100mm

Available Sizes

Standard sizes available. Custom dimensions on request.

Part Number	Diameter	Length	Weight
KP-200	Ø2" (50.8mm)	6"–8"	2.5–3.5 kg
KP-225	Ø2.25" (57.15mm)	7"–9"	3.0–4.2 kg
KP-250	Ø2.5" (63.5mm)	7"–10"	3.8–5.5 kg
KP-300	Ø3" (76.2mm)	8"–12"	5.5–8.0 kg
KP-350	Ø3.5" (88.9mm)	10"–14"	7.5–11.0 kg