Heavy Duty Excavator or Bulldozer Undercarriage Part Track Bolts and Nuts M22×70 Heavy Strength

The M22×70 Track Bolts and Nuts are heavy-duty fastening components designed for excavator and bulldozer undercarriage systems. Engineered to secure track shoes and crawler assemblies, they provide exceptional fastening strength under continuous vibration, heavy impact, and demanding jobsite conditions.

Reliable fastening is essential to the safety and efficiency of crawler machinery. Track bolts and nuts must withstand continuous stress generated by heavy loads, uneven terrain, and repeated operating cycles. The M22×70 track fastener set is designed to maintain secure clamping force while minimizing loosening, helping reduce maintenance costs and improve equipment uptime.

Suitable for construction contractors, mining operators, machinery dealers, equipment manufacturers, and maintenance service providers, these fasteners provide dependable performance in demanding applications.

Manufactured from premium alloy steel using precision hot forging, CNC machining, and controlled heat treatment, these fasteners offer superior mechanical performance, excellent wear resistance, and dependable durability for OEM assembly and aftermarket replacement.

Core Features

High-strength Structural Design

Forged alloy steel construction provides excellent tensile strength and impact resistance for heavy-duty crawler applications.

Reliable Clamp Force

Precision thread machining helps maintain stable preload, ensuring secure fastening even under severe vibration and dynamic loads.

Excellent Wear Resistance

Heat-treated threads and contact surfaces resist abrasion, extending service life in high-friction operating environments.

Superior Fatigue Performance

Optimized manufacturing reduces the effects of repeated stress cycles, helping prevent premature fastener failure.

Corrosion Protection

A durable surface treatment protects against moisture, mud, oxidation, and harsh outdoor conditions.

Accurate OEM Compatibility

Manufactured with tight dimensional tolerances to ensure smooth installation and compatibility with standard undercarriage assemblies.

Benefits

Choosing our M22×70 track bolts and nuts helps customers achieve:

• Secure track shoe fastening
• Improved crawler stability
• Reduced maintenance downtime
• Longer service intervals
• Better vibration resistance
• Lower replacement frequency
• Increased equipment reliability
• Reduced operating costs

Manufacturing Process

Every M22×70 track fastener is produced using advanced manufacturing technology and strict quality control procedures.

Premium Raw Materials

Certified alloy steel is selected to provide excellent strength, toughness, and durability.

Precision Hot Forging

The forging process improves grain flow, increasing structural integrity and impact resistance.

CNC Precision Machining

Automated machining ensures accurate thread geometry and dimensional consistency.

Advanced Heat Treatment

Controlled quenching and tempering optimize hardness while maintaining sufficient toughness for heavy-duty applications.

Surface Protection

Protective coatings improve corrosion resistance and enhance long-term reliability.

Comprehensive Quality Inspection

Each production batch undergoes rigorous testing, including:

• Material verification
• Tensile strength testing
• Hardness inspection
• Thread accuracy measurement
• Dimensional tolerance verification
• Torque performance testing
• Surface appearance inspection

FAQ

What are M22×70 track bolts and nuts used for?

They are designed to secure track shoes to crawler track links, providing reliable fastening for excavators, bulldozers, and other tracked equipment.

Why are forged alloy steel fasteners recommended?

Forged alloy steel offers higher tensile strength, improved fatigue resistance, and greater durability than standard steel, making it ideal for demanding undercarriage applications.

Can these fasteners handle harsh working environments?

Yes. They are engineered for construction, mining, quarry, forestry, and earthmoving operations where vibration, impact, and abrasive materials are common.

Do you provide customized manufacturing?

Yes. We offer OEM and ODM services, including custom dimensions, thread specifications, strength grades, packaging, and private branding.

WhatsApp: +86 15260795051

Gmail: shellywang030801@gmail.com

www.bulldozerpart.com

Heavy Duty, Excavator or Bulldozer Undercarriage Part, Track Bolts and Nuts, Heavy Strength, Anti-Brittle Crack Anti-Rust