
Trailer King Pins from Buyers Products provide strength and reliability in coupling your fifth wheel. They are forged from AISI 8630 steel and heat-treated to maintain a hardness of 302-363 BHN and 150,000 PSI in ultimate strength.
They're available in several weldable bolster plate thicknesses. An 8 hole bolt-on version is also available.
Optional King Pin Lock Available - Click Here
| Part # | Description | Material |
Bolster Plate Thickness | Bolt/Weld on |
| BKPT809B | 2 Inch Forged SAE Trailer King Pins With 1/2 Inch Bolster Plate - Bolt On | Forged Steel | 0.500 " | Bolt On |
| KP20025 | 2 Inch Forged SAE Trailer King Pins With 1/4 Inch Bolster Plate - Weld On | Forged Steel | 0.250 " | Weld On |
| KP20031 | 2 Inch Forged SAE Trailer King Pins With 5/16 Inch Bolster Plate - Weld On | Forged Steel | 0.312 " | Weld On |
| KP20038 | 2 Inch Forged SAE Trailer King Pins With 3/8 Inch Bolster Plate - Weld On | Forged Steel | 0.375 " | Weld On |
| KP20050 | 2 Inch Forged SAE Trailer King Pins With 1/2 Inch Bolster Plate - Weld On | Forged Steel | 0.500 " | Weld On |
Product Common Use: Fifth Wheel and Gooseneck Trailer Towing, RVs and Campers, Lawncare and Excavating Equipment Trailers, Car Haulers