Quanzhou Mingzhu Technology Development Co., Ltd
| Optional Material | 35CrMo Alloy Steel |
| Thread Type | Metric Coarse Thread |
| Payment Terms | T/T,D/P |
| Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging |
| Heat Treatment | Integral Quenching & Tempering |
| Supply Ability | 1500 MT/month |
| Product Type | Track Bolt & Nut Assembly |
| Manufacturing Process | Precision Hot Forging |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x102mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Optional Material | 35CrMo Alloy Steel | Thread Type | Metric Coarse Thread |
| Payment Terms | T/T,D/P | Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days | Packaging Details | Export pallet packaging |
| Heat Treatment | Integral Quenching & Tempering | Supply Ability | 1500 MT/month |
| Product Type | Track Bolt & Nut Assembly | Manufacturing Process | Precision Hot Forging |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | M25.4x102mm |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | m25.4x102mm track shoe bolt and nut ，bolts and nuts hot forging ，m25.4x102mm undercarriage bolts | ||
The M25.4x102mm Track Fasteners are engineered to provide dependable fastening performance for excavator and bulldozer undercarriage systems operating in high-load, high-impact environments. Manufactured from premium alloy steel using precision hot forging, cold thread rolling, and advanced quenching and tempering, these heavy-duty track bolts and nuts deliver exceptional mechanical strength, secure clamping force, and long-term reliability.
The M25.4x102mm track fasteners are designed to withstand demanding operating conditions, including heavy loads, repeated impacts, and continuous vibration. They provide dependable fastening performance for crawler undercarriage systems used in construction and mining equipment.
Premium alloy steel combined with precision forging creates a dense and durable internal structure, providing outstanding tensile strength, toughness, and resistance to deformation under severe working conditions.
Cold rolled threads improve thread integrity by maintaining continuous grain flow, resulting in greater fatigue resistance, smoother installation, and more consistent torque retention compared with conventional machining methods.
Accurate dimensional control and optimized thread geometry help maintain stable preload, reducing joint movement and improving the long-term stability of track shoe and track link assemblies.
Advanced heat treatment and optional corrosion-resistant surface finishes help protect the fasteners from wear, moisture, mud, dust, and abrasive materials, extending service life while reducing maintenance frequency.
Feature | Customer Benefit |
|---|---|
| Heavy-Duty Construction | Delivers reliable fastening under high operating loads |
| Precision Rolled Threads | Improves thread strength and installation consistency |
| High Tensile Strength | Supports demanding crawler equipment applications |
| Heat-Treated Alloy Steel | Enhances toughness and structural durability |
| Stable Preload Retention | Reduces loosening during vibration and impact |
| Excellent Fatigue Resistance | Extends fastener service life under cyclic loading |
| Corrosion-Resistant Finish | Improves durability in outdoor environments |
| OEM Manufacturing Standards | Ensures precise fit and consistent product quality |
Every M25.4x102mm track bolt and nut undergoes comprehensive quality inspections before shipment, including:
Strict quality control procedures ensure every fastener delivers consistent reliability, accurate dimensions, and dependable performance in heavy-duty undercarriage applications.
Cold rolled threads increase thread strength, improve fatigue resistance, reduce stress concentration, and provide more stable torque retention throughout the fastener's service life.
Yes. The M25.4x102mm track fasteners are suitable for original equipment manufacturing as well as aftermarket maintenance. Custom specifications, markings, coatings, and packaging are also available.
These track fasteners are designed for demanding environments such as open-pit mining, quarry operations, infrastructure projects, road construction, forestry, and large-scale earthmoving where crawler equipment operates under severe mechanical stress.
Heavy-Duty M25.4x102mm Track Fasteners, M25.4x102mm Track Fasteners, Track Fasteners, Bulldozer Undercarriage Bolts And Nuts, Excavator Undercarriage Bolts And Nuts
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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