Excavator Parts Link Bucket Arm Boom Pin Supplier

Our universal bucket pins are engineered to fit a wide range of excavators, depending on size and application. Made from premium alloy steel with deep hardening and fine surface finishing, these pins ensure maximum wear resistance, structural integrity, and smooth articulation at the boom-arm-bucket joint. Suitable for various brands and models as long as the specifications match.

Material40cr,45# etc
HardnessHRC52-58
SizeStandard or Customized
Request Pricing & Details

Quick Quote Request

Inquiry Now Popup Form

Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

Manufactured with durability and universal compatibility in mind, our bucket pins deliver:

  • Premium Alloy Material: Made from 40Cr or 45# steel, providing excellent mechanical properties and toughness.
  • Deep Surface Hardening: Quenching and tempering processes ensure long-term wear resistance.
  • Precision CNC Machining: Guarantees tight dimensional tolerances and reliable fit with matching bushings and brackets.
  • Anti-Rust Coating: Surface treated for corrosion protection during storage and use.

Production Process & Visual Highlights

To ensure high consistency and superior performance, each pin goes through strict manufacturing steps:

  • Material Selection & Cutting
    Alloy steel rods are selected and cut to length with strict inspection.
  • CNC Drilling
    Each pin is drilled accurately to match grease hole alignment or bushing insertion.
  • Heat Treatment & Quenching
    Pins are heat treated for optimal core toughness and surface hardness.
  • Polishing & Finishing
    Post-machining polishing ensures smooth surface to minimize bushing wear.
  • Sealing Accessories Installation 
    Some models are equipped with seal ring grooves and come with dust-prevention seals.

Common Bucket Pin Types

Our bucket pin catalog includes:

  • Boom Pins – connect boom to the upper structure
  • Arm Pins – connect boom to the arm
  • Bucket Pins – connect bucket to the arm
  • Link Pins – used for connecting H-link or link rods

We support both straight-type and step-type shaft configurations.

Bucket pin type

Excavator Bucket Pins Available Sizes

Below are some standard sizes available. Custom dimensions and OEM machining are also supported:

Diameter (mm)Length (mm)Groove / HoleNote
40200With grease holeStraight type
45250Without holeStep type
50300With seal groovesLink pin use
60350With hole + sealBoom pin
70400CustomizableBucket pin

Please provide necessary parameters such as size so that we can provide a quick and accurate quotation.

Why Choose Our Bucket Pins

Choosing the right bucket pin is critical for your excavator’s performance and uptime. Here’s why customers worldwide trust our products:

  • Superior Raw Materials
    We use only certified alloy steels such as 40Cr and 45#, ensuring excellent hardness, toughness, and fatigue resistance — even under extreme working conditions.
  • Precision Engineering
    Every pin is CNC machined to exact tolerances, delivering a perfect fit and smooth movement with reduced wear on bushings and joints.
  • Advanced Heat Treatment
    Our pins undergo deep induction hardening or quenching, achieving surface hardness up to HRC 55-60, while maintaining a ductile core to prevent cracking.
  • Comprehensive Quality Control
    Each batch is inspected for dimensions, roundness, hardness, and surface finish. We also provide custom hardness reports upon request.
  • Flexible Sizing & OEM Customization
    From small mini-excavator pins to large mining-class sizes, we support both standard models and fully customized pins based on your drawing or sample.
Shipping & Delivery

SHIPPING & DELIVERY

At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.

All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.

Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.

We offer flexible global shipping options, including:

  • International sea freight for cost-effective bulk transport
  • Air freight for urgent orders
  • Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments

Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.

Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.

excavator parts loading truck 4
excavator parts loading truck 2
excavator parts loading truck 1

FAQ

Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.

Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.

Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.

Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.

Inquiry Now
Request Pricing & Details

Quick Quote Request

Inquiry Now Tab Form

Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW