Since 2010 ！

Excavator Bucket Pin

Excavator Bushing

Best Price & Large Quantity Discount
supports customization
Precise specifications and dimensions with no discrepancies
The standard material is 40Cr, and customization of other materials is available upon request
We will deliver the goods within the specified time limit and never delay shipment
Should any issues arise with the products, you may contact us and we will provide the optimal solution within two hours
We invite you to come for an on-site inspection.

10+ Years

Kangnai Machinery has over 10 years of experience in the bucket pin and bushing industry, equipped with advanced processing equipment.

Excavator Bushing and Pin

We produce bucket pins and bushings compatible with various types of excavators. You can directly inform us of your excavator model or specific dimensions, and we will check the inventory and price for you.

Technical Professionals

From communication and docking, order confirmation, to product production and processing, as well as after-sales service, professional personnel will follow up with you one-on-one throughout the entire process!

Our Bucket pins and bushings

We can produce products of various specifications. We have matching items for both large and small excavators, and custom sizes are also available if you need them – just send us a drawing.

Polished Excavator Bucket Pin

Blackened Bucket Pin

Alloy Bushing

Black Oxide Bushing

Phosphated Bushing

Single-sided Bushing

Fully Customizable

Customize specifications and dimensions to your needs

Our equipment

We have production equipment for bucket pins and bushings, including grinding machines, lathes, CNC milling machines, etc.

Bucket Pin Compatibility

We manufacture bucket pins in a full range of specifications, compatible with diverse excavator models on the market. Based on your specific excavator model and operational needs, we will tailor-make recommendations for the most suitable bucket pins for you.

10+

Years of Experience

About Kangnai Machinery

Founded on November 29, 2010, Kangnai Machinery has been specializing in the production of excavator parts for over a decade.

Located in Linqing City, Liaocheng City, Shandong Province, our company is mainly engaged in the production of excavator parts – bushings and bucket pins.

With construction machinery parts as its core business, our company specializes in the R&D, production and sales of excavator components including bushings, bucket pins, bearings, bucket pin gaskets and bucket pin oil seals. All products can also be customized according to customer requirements.

These products boast a wide range of applications and are suitable for construction machinery scenarios in various industries such as petroleum, metallurgy and mining.

In addition, our business has a broad coverage. We have established business layouts in Ninghai and Jiangdong of Ningbo, as well as Nanyang of Henan and other regions, with our supply scope radiating to local areas and their surrounding regions.

Most Popular Questions.

We have listed some questions you may ask. If you have more inquiries about our products, you can send an inquiry to contact us.

What working environments are bucket pins suitable for?

It is suitable for most complex operating environments characterized by high-intensity work and heavy dust, with details as follows:

Construction sites and infrastructure projects: It can withstand frequent impact and shear forces during operations such as earth excavation and building demolition. It is ideal for daily light-duty tasks or medium-intensity construction needs that match the specifications of the excavator model.
Mines and quarries: Bucket pins made of alloy steel can meet the requirements of high-intensity impact and heavy-load operations here. When paired with bushings with oil holes and grooves, they can also resist heavy dust and reduce component wear.
Ports and docks: It is adaptable to high-frequency operation scenarios such as cargo loading and unloading. It can resist corrosion from humid salt-spray environments and cope with the abrasion of bucket pins caused by sediment during operations.

What materials are generally used to make excavator bucket pins?

As a core load-bearing and wear-prone component of excavators, the bucket pin must balance high strength, wear resistance and impact resistance. Its mainstream materials are medium-carbon alloy steels, and different grades of steel are selected for different operating conditions. The specific classifications are as follows:

45# High-Quality Carbon Structural SteelThis is a basic and general-purpose material with low cost, suitable for medium and low-intensity operating scenarios such as earthwork projects and municipal construction. After quenching and tempering heat treatment (quenching + high-temperature tempering), its hardness can reach HRC28-32, which can meet the load requirements of regular excavation operations.

40Cr Alloy Structural SteelAs the most widely used special material for bucket pins, it has excellent comprehensive mechanical properties. Its strength, toughness and hardenability are all superior to those of 45# steel. After quenching and tempering treatment, its hardness can reach HRC38-42, making it suitable for medium and high-intensity working conditions such as light-duty mining operations and building demolition. When paired with wear-resistant bushings, it can effectively extend the service life.

Which type of bushing is the most wear-resistant?

Alloy bushings are core supporting wear-resistant components, whose main functions are to protect bucket pins and the connecting holes of the host boom, while optimizing transmission stability.

The hardness and wear resistance of alloy bushings are far superior to those of the base steel of the excavator boom. During operation, they directly bear the friction and impact loads generated by the rotation of bucket pins, preventing the bucket pins from directly wearing the boom connecting holes and reducing the wear rate of the bucket pins themselves.

Without the protection of alloy bushings, gaps and deformation will quickly occur in the bucket pins and boom holes, resulting in a decline in the operating accuracy of the entire machine.

Want to find the source factory to save money in the middle?

We have been engaged in this line of production for many years and have accumulated ample experience. Choose our factory of origin to maximize mutual benefits.

Get Samples Now !

Check out the samples of our bucket pins and bushings. See the quality of our products for yourself, and let’s kick off our formal cooperation.