Quanzhou Mingzhu Technology Development Co., Ltd
| Material | 40Cr Alloy Steel |
| Bolt Size | M25.4 × 89 mm |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/A,T/T |
| Application | Excavator & Bulldozer Undercarriage Systems |
| Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging |
| Thread Process | Cold Rolled Threads |
| Product Name | M25.4x89mm Track Fasteners |
| Strength Grade | Grade 12.9 |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x89mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Material | 40Cr Alloy Steel | Bolt Size | M25.4 × 89 mm |
| Supply Ability | 1500 MT/month | Payment Terms | D/A,T/T |
| Application | Excavator & Bulldozer Undercarriage Systems | Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging | Thread Process | Cold Rolled Threads |
| Product Name | M25.4x89mm Track Fasteners | Strength Grade | Grade 12.9 |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | M25.4x89mm |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | m25.4x89 track bolts and nuts ，m25.4x89 track fasteners ，40cr track fasteners | ||
The M25.4x89mm Track Fasteners are engineered to deliver reliable fastening performance for excavator and bulldozer undercarriage assemblies operating in abrasive and high-load environments. Manufactured from premium alloy steel through precision hot forging, cold thread rolling, and controlled heat treatment, these track bolts and nuts provide outstanding structural strength, secure clamping force, and long-term durability.
Specification | Details |
|---|---|
| Product Name | M25.4x89mm Track Fasteners |
| Product Type | Track Bolts and Nuts |
| Bolt Size | M25.4 × 89 mm |
| Thread Type | Metric Coarse Thread |
| Material | High-Strength Alloy Steel |
| Manufacturing Process | Precision Hot Forging |
| Thread Process | Cold Rolled Threads |
| Heat Treatment | Quenched & Tempered |
| Strength Grade | Grade 12.9 (Optional) |
| Surface Finish | Black Oxide, Phosphate, Zinc Plated, Dacromet, or Customized |
| Hardness | HRC 32–39 |
| Tensile Strength | ≥1220 MPa |
| Application | Excavator & Bulldozer Undercarriage Parts |
| OEM / ODM | Available |
| Packaging | Export Cartons, Wooden Cases, Pallets, or Customized |
Every M25.4x89mm track bolt and nut undergoes comprehensive inspection before shipment, including:
These quality control procedures ensure every fastener meets strict manufacturing standards and delivers consistent performance in demanding undercarriage applications.
An abrasion-tolerant surface is engineered to better withstand continuous contact with abrasive materials such as sand, gravel, crushed rock, and hard soil. This helps reduce surface wear and supports longer service life in demanding environments.
These fasteners are widely used in mining, construction, quarrying, forestry, infrastructure development, and earthmoving operations where crawler equipment operates under high loads and abrasive conditions.
High-strength materials, optimized thread geometry, and durable surface treatments help reduce wear, maintain stable clamping force, and decrease the frequency of replacement or retightening.
Abrasion-Tolerant Surface M25.4x89 Track Fasteners, M25.4x89 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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