Quanzhou Mingzhu Technology Development Co., Ltd
| Bolt Size | M25.4 × 76 mm |
| Payment Terms | Western Union |
| Head Style | Hexagonal Head |
| Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging |
| Thread Process | Cold Rolled Threads |
| Supply Ability | 1500 MT/month |
| Material | 40Cr Alloy Steel |
| Product Name | M25.4x76mm Track Bolt |
| Strength Grade | Grade 12.9 |
| Model Number | M25.4x76mm |
| Certification | CE、CNAS、COC、SGS、ISO |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Bolt Size | M25.4 × 76 mm | Payment Terms | Western Union |
| Head Style | Hexagonal Head | Delivery Time | 3-5 days |
| Packaging Details | Export pallet packaging | Thread Process | Cold Rolled Threads |
| Supply Ability | 1500 MT/month | Material | 40Cr Alloy Steel |
| Product Name | M25.4x76mm Track Bolt | Strength Grade | Grade 12.9 |
| Model Number | M25.4x76mm | Certification | CE、CNAS、COC、SGS、ISO |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | excavator track bolt m25.4x76mm ，anti loosening excavator track bolt ，precision excavator track sprocket | ||
The M25.4x76mm Track Bolts are precision-engineered fastening components designed to provide secure and reliable connections within excavator undercarriage assemblies. Manufactured from premium alloy steel through precision hot forging, cold thread rolling, and advanced heat treatment, these heavy-duty track bolts deliver exceptional thread strength, stable clamping force, and outstanding resistance to vibration-induced loosening.
Specification | Details |
|---|---|
| Product Name | M25.4x76mm Track Bolts |
| Product Type | Excavator Track Bolt & Nut |
| Bolt Size | M25.4 × 76 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 Undercarriage Parts |
| OEM / ODM | Supported |
| Packaging | Export Cartons, Wooden Cases, Pallets, or Customized |
The M25.4x76mm Track Bolts are widely used for:
Every M25.4x76mm track bolt is produced through a comprehensive manufacturing process:
Cold rolled threads retain the continuous grain flow of the material, increasing thread strength, improving fatigue resistance, and providing better resistance to wear and loosening under heavy operating loads.
Proper preload distributes operating forces evenly across the joint, helping reduce component movement, minimize wear between mating surfaces, and maintain stable fastening throughout the equipment's operating cycle.
Yes. Multiple surface treatment options, including phosphate coating, zinc plating, black oxide, and Dacromet, help improve corrosion resistance and extend service life in humid, muddy, and outdoor environments.
M25.4x76mm Track Bolts, Track Bolts, Precision Rolled Threads M25.4x76mm Track Bolts, Anti-Loosening Performance M25.4x76mm Track Bolts, Excavator Undercarriage Parts Track Bolts
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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