Product Specification

Heavy Duty and Heavy Strength M20×50 Track Bolts and Nuts for Excavator or Bulldozer Undercarriage Part

M20×50 Excavator Track Bolts and Nuts, Low Temperature High Tensile Track Fasteners, Anti-Brittle Crack Anti-Rust Undercarriage Hardware, Heavy Duty Fittings for Russia Frozen Soil Mining, Road & Cold Area Construction Machinery, OEM Spare Parts In Stock

The M20×50 Track Bolts and Nuts are precision-engineered fastening components designed for excavator and bulldozer undercarriage systems. Built to withstand heavy mechanical loads and continuous vibration, these bolts and nuts provide dependable connections between track shoes and track links, helping maintain crawler stability in demanding working environments.

Manufactured from premium alloy steel and processed through hot forging, precision machining, and advanced heat treatment, the M20×50 bolt and nut set delivers outstanding tensile strength, excellent wear resistance, and long-lasting fastening performance. It is an ideal solution for OEM production, equipment maintenance, and aftermarket replacement.

Product Features

Heavy-duty Structural Strength

Designed for high-load crawler applications, these bolts and nuts provide exceptional clamping force while resisting deformation under extreme operating conditions.

Outstanding Wear Resistance

A hardened surface improves resistance to abrasion caused by dust, sand, gravel, and continuous metal-to-metal contact.

Precision Metric Threads

Each bolt is machined with high-accuracy metric threads to ensure consistent torque, smooth installation, and secure fastening.

Perfect Corrosion Protection

Surface treatment helps prevent rust and oxidation, making the product suitable for humid, muddy, and outdoor construction environments.

Reliable Service Life

The combination of premium alloy steel and advanced heat treatment extends product lifespan while reducing maintenance requirements.

Performance Advantages

The M20×50 track bolt and nut set is engineered to improve undercarriage reliability by providing:

• High clamping force for secure track shoe installation
• Excellent resistance to loosening under vibration
• Superior impact and fatigue resistance
• Reduced wear on fastening threads
• Stable fastening performance during prolonged operation
• Lower maintenance frequency
• Extended undercarriage service life
• Improved equipment productivity

Suitable Applications

These heavy-duty fasteners are suitable for various crawler machines, including:

• Hydraulic Excavators
• Crawler Bulldozers
• Track-type Loaders
• Mining Machinery
• Quarry Equipment
• Road Construction Machines
• Earthmoving Equipment
• Forestry Machinery

Typical installation locations include:

• Track Shoe Connections
• Track Link Assemblies
• Crawler Undercarriage Systems
• Heavy-duty Track Frames
• Replacement Undercarriage Components

Manufacturing Process

Every M20×50 track bolt and nut is produced through a strict manufacturing process to ensure dependable quality.

Material Selection

Premium alloy steel is selected to achieve an excellent balance of strength, toughness, and durability.

Precision Hot Forging

The forging process refines the internal grain structure, increasing mechanical strength and fatigue resistance.

CNC Machining

Modern CNC equipment ensures precise dimensions and consistent thread accuracy.

Heat Treatment

Controlled quenching and tempering improve hardness while maintaining sufficient toughness to withstand dynamic loads.

Surface Finishing

Protective coatings improve corrosion resistance and maintain product appearance during storage and operation.

Comprehensive Quality Control

Each batch undergoes rigorous inspection, including:

• Raw material verification
• Tensile strength testing
• Hardness measurement
• Thread accuracy inspection
• Dimensional tolerance testing
• Surface quality inspection
• Torque performance evaluation

FAQ

What are M20×50 track bolts and nuts used for?

They are designed to fasten track shoes and undercarriage components on excavators, bulldozers, and crawler equipment, ensuring secure assembly and reliable operation.

What material is used?

The fasteners are manufactured from premium alloy steel and undergo precision heat treatment to achieve high tensile strength and excellent wear resistance.

Can they withstand harsh working conditions?

Yes. They are engineered for heavy-duty construction, mining, quarry, and earthmoving applications where vibration, impact, and abrasive materials are common.

Do you offer customized production?

Yes. We provide OEM and ODM services, including customized sizes, thread specifications, strength grades, packaging, and branding according to customer requirements.

How does your factory do regarding quality control?

We have professional QC team to inspect each items from the links of production to package.

WhatsApp: +86 15260795051

Gmail: shellywang030801@gmail.com

www.bulldozerpart.com

Heavy Duty, Heavy Strength, M20×50 Track Bolts and Nuts, Excavator or Bulldozer Undercarriage Part, Low Temperature High Tensile