Quanzhou Mingzhu Technology Development Co., Ltd
| Forged Grain Flow Enhancement | Forging aligns the internal grain structure to increase mechanical strength and fatigue resistance |
| Optimized Clamp Load Stability | Maintains consistent clamping force during prolonged vibration and shock loading |
| Packaging Details | Export pallet packing |
| High-impact Core Toughness | Engineered to absorb sudden impact loads without cracking or deformation |
| Supply Ability | 1500 MT/month |
| Dynamic Load Endurance | Designed to perform reliably under alternating and cyclic mechanical loads |
| Payment Terms | L/C,D/P,D/A |
| Low Thread Wear Characteristics | Precision-machined threads reduce wear during repeated assembly and maintenance |
| Delivery Time | 3-7 days |
| Controlled Thread Rolling Process | Thread profile is formed with high precision for improved load distribution and thread durability |
| Surface Decarburization Control | Manufacturing process minimizes surface decarburization to preserve thread hardness and strength |
| Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M20×50 |
| Brand Name | STST |
| Place of Origin | Fujian China |
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Product Specification
| Forged Grain Flow Enhancement | Forging aligns the internal grain structure to increase mechanical strength and fatigue resistance | Optimized Clamp Load Stability | Maintains consistent clamping force during prolonged vibration and shock loading |
| Packaging Details | Export pallet packing | High-impact Core Toughness | Engineered to absorb sudden impact loads without cracking or deformation |
| Supply Ability | 1500 MT/month | Dynamic Load Endurance | Designed to perform reliably under alternating and cyclic mechanical loads |
| Payment Terms | L/C,D/P,D/A | Low Thread Wear Characteristics | Precision-machined threads reduce wear during repeated assembly and maintenance |
| Delivery Time | 3-7 days | Controlled Thread Rolling Process | Thread profile is formed with high precision for improved load distribution and thread durability |
| Surface Decarburization Control | Manufacturing process minimizes surface decarburization to preserve thread hardness and strength | Certification | CE、SGS、CNAS、COC、ISO |
| Model Number | M20×50 | Brand Name | STST |
| Place of Origin | Fujian China | ||
| High Light | m20×50 track fasteners ，replacement track fasteners ，m20×50 undercarriage replacement | ||
M20×50 Track Fasteners, High Tensile Track Bolts and Nuts, Anti-Corrosion Anti-Loose Excavator Undercarriage Hardware, Heat-Treated Heavy Duty Fittings for Nigeria Quarry, Mining & Muddy Highway Construction Machinery, In Stock Fast Shipment To Lagos
The M20×50 Track Fasteners are engineered to provide secure fastening solutions for excavator and bulldozer undercarriage systems. Designed for demanding construction and mining applications, these replacement fasteners help maintain the integrity of track assemblies by delivering stable clamping force under continuous impact, vibration, and heavy working loads.
Manufactured from premium alloy steel and strengthened through precision forging, controlled heat treatment, and CNC machining, each bolt and nut is built to withstand harsh operating environments while delivering consistent performance throughout its service life. Whether for scheduled maintenance, aftermarket replacement, or OEM assembly, the M20×50 track fastener set is designed to support reliable machine operation and reduce unexpected downtime.
Selecting high-quality track fasteners plays a vital role in reducing maintenance costs and improving equipment reliability. Our M20×50 fasteners offer:
Undercarriage fasteners are exposed to continuous vibration, impact, mud, dust, and heavy mechanical loads. Choosing high-quality track fasteners helps improve the overall reliability of crawler equipment while reducing maintenance frequency.
Our M20×50 track fasteners are manufactured under strict quality management procedures to provide accurate fitment, stable torque retention, and long-lasting performance across a wide range of operating conditions.
We specialize in producing high-quality undercarriage components for construction and mining equipment. By integrating advanced forging technology, precision machining, strict heat treatment, and comprehensive quality inspection, we deliver fastening products that meet the performance expectations of global equipment manufacturers, distributors, and maintenance professionals.
Our focus on product consistency, manufacturing efficiency, and responsive customer service enables us to provide reliable fastening solutions for a wide range of crawler machinery.
Manufactured from premium alloy steel to provide excellent tensile strength and reliable structural integrity for demanding crawler applications.
The hardened surface effectively minimizes thread wear and mechanical abrasion, extending the operational lifespan of the fastener.
Precision-machined threads help maintain consistent tightening force, even under continuous vibration and heavy shock loading.
Optimized heat treatment enhances resistance to cyclic loading, helping reduce the risk of fatigue-related failure.
A protective surface treatment improves resistance to moisture, oxidation, mud, and other harsh environmental conditions.
Strict machining tolerances ensure accurate dimensions and excellent compatibility with standard undercarriage assemblies.
Installing premium M20×50 track fasteners helps achieve:
The M20×50 track fastener set is compatible with many types of crawler machinery, including:
Typical installation points include:
Every fastener is manufactured through a carefully controlled production workflow.
Only certified alloy steel is used to ensure consistent mechanical performance.
Forging technology increases material density and improves resistance to impact and deformation.
Modern machining equipment produces accurate threads and dimensional consistency for reliable installation.
The quenching and tempering process optimizes hardness, strength, and toughness to meet heavy-duty application requirements.
Protective coatings improve corrosion resistance and maintain long-term performance in outdoor environments.
Each production lot undergoes comprehensive quality checks, including:
FAQ
They secure track shoes and undercarriage assemblies, ensuring the crawler system remains stable during heavy-duty operation.
Alloy steel provides higher tensile strength, better impact resistance, and greater durability compared with standard carbon steel, making it suitable for demanding working conditions.
Yes. They are specifically designed for crawler machinery operating under heavy loads, frequent vibration, and abrasive environments.
Yes. We provide OEM and ODM manufacturing services, including customized dimensions, thread types, surface treatments, packaging, and private branding.
WhatsApp: +86 15260795051
Gmail: shellywang030801@gmail.com
www.bulldozerpart.com
Long Service Life, Excavator & Bulldozer Undercarriage Replacement Part, M20×50 Track Fasteners, High Wear Resistant, Anti-Corrosion Anti-Loose
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
8000000-12000000
Employee Number:
67~120
Ecer Certification：
Verified Supplier
Quanzhou Mingzhu Technology Development Co., Ltd Quanzhou Mingzhu Technology Development Co., Ltd
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