2.5 Inch 3.5 Inch 50# 90# Bolted Type King Pin for Semi Trailer and Truck

We firmly believe that this U Bolt, American Mechanical Suspension, Mechanical Suspension industry is full of potential and infinite possibilities in the face of challenges. Since its establishment, the company has been continuously optimizing and innovating products, and has been well received by users in many industries. We uphold the business philosophy of "Excellent Quality, Customer Satisfaction", and we are your sincere friend to provide you with excellent products and perfect services. We establish the concept of competition and cooperation, respect our opponents, learn from our opponents, and win with our opponents in competition and cooperation.

Product Introduction

The kingpin of a semi-trailer is a metal standard component used in a semi-trailer to connect the tractor and the trailer. Also called traction pin. According to the shape, the traction pin can be divided into mushroom type, cross type 'I' type and so on. According to the shape, it can be divided into A type and B type. According to the assembly method, it can be divided into welding type and assembly type. The processing materials generally use carbon steel and alloy steel.

Product Parameters (Specifications)

Model number	Specification	With traction board thickness	D value
DY90A08	90(3.5")	8 mm	108KN
DY90A10	90(3.5")	10mm	108KN
DY90B08	90(3.5")	8 mm	240KN
DY90B10	90(3.5")	10mm	240KN

Product Features And Applications

The correct alloy selection and heat treatment of the product have achieved the best balance between hardness and impact resistance, and brittleness can be avoided even under low temperature conditions. Appropriate selection of alloys and careful control of the hardening process make the traction pin more wear-resistant.

Product Details Display

Production equipment and technological process

Simply put, the production of traction pins follows the following procedures:

1. Steel selection. Generally, chemically stable clean low-alloy steel is used as the material of choice for the traction pin.

2. Forging. Cold forging is generally used. Pay attention to the precise deformation of the material during the forging process. Before forging and during forging, attention should be paid to dimensional inspection, magnetic inspection and macroscopic embossing.

3. Product inspection and heat treatment.

After-sales service

Every product to the customer is a qualified and good product. The company will follow-up service closely, keep abreast of product usage, update product technology, improve product performance, and ensure delivery.

Professional consultation question and answer

The company has always followed the spirit of "quality starts with each screw" and the operating philosophy of "continuous innovation, sincere service". Innovation is the root of the company's growth. Continuous innovation allows every user to use it with peace of mind and peace of mind.

The company's latest news

The company has established a complete sales system and established overseas warehouses in many countries to facilitate customers to purchase good products.

With our strong economic strength, we have gained the trust of many customers and gained a good reputation in the 2.5 Inch 3.5 Inch 50# 90# Bolted Type King Pin for Semi Trailer and Truck industry by abiding by the principle of honesty. In accordance with the requirements of the socialist market economy system, the company attaches great importance to the establishment of the corporate reputation and follows the integrity mechanism. We continue to shape the iconic image of the company, highlighting our unique culture and characteristics.

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