Quanzhou Mingzhu Technology Development Co., Ltd
| Material | 40Cr Alloy Steel |
| Bolt Size | M25.4 × 102 mm |
| Packaging Details | Export pallet packaging |
| Thread Process | Cold Rolled Threads |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/A,D/P,T/T |
| Thread Accuracy | Precision-machined threads for secure installation |
| Delivery Time | 3-5 days |
| Product Name | M25.4x102mm Track Bolt |
| Strength Grade | Grade 12.9 |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | M25.4x102mm |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Material | 40Cr Alloy Steel | Bolt Size | M25.4 × 102 mm |
| Packaging Details | Export pallet packaging | Thread Process | Cold Rolled Threads |
| Supply Ability | 1500 MT/month | Payment Terms | D/A,D/P,T/T |
| Thread Accuracy | Precision-machined threads for secure installation | Delivery Time | 3-5 days |
| Product Name | M25.4x102mm Track Bolt | Strength Grade | Grade 12.9 |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | M25.4x102mm |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | m25.4x102mm excavator track bolts ，m25.4x102mm excavator track roller ，40cr excavator track bolts | ||
The M25.4x102mm Track Bolts are engineered to provide dependable fastening performance for excavator undercarriage systems operating under continuous vibration, heavy impact, and high-load working conditions. Manufactured from premium alloy steel using precision hot forging, cold thread rolling, and advanced quenching and tempering, these track bolts deliver optimized preload retention, exceptional vibration-load reliability, and long-term structural stability.
Specification | Details |
|---|---|
| Product Name | M25.4x102mm Track Bolts |
| Product Type | Track Bolt & Nut Assembly |
| Bolt Size | M25.4 × 102 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 |
| Yield Strength | ≥1100 MPa |
| Application | Excavator Undercarriage Parts |
| OEM / ODM | Available |
| Packaging | Export Cartons, Wooden Cases, Pallets, or Customized |
The M25.4x102mm Track Bolts are suitable for:
Each M25.4x102mm track bolt is manufactured using advanced production technology:
Preload retention refers to the ability of a bolt to maintain its clamping force after installation. Stable preload helps prevent joint movement, reduces component wear, and improves the long-term reliability of excavator undercarriage assemblies.
The combination of precision rolled threads, heat-treated alloy steel, and controlled manufacturing tolerances helps maintain fastening stability under repeated vibration, impact, and alternating loads commonly encountered by crawler equipment.
Cold thread rolling, accurate dimensional control, proper heat treatment, and high-quality alloy steel work together to improve thread strength, reduce wear, and maintain consistent torque performance throughout the bolt's service life.
M25.4x102mm Track Bolts, Track Bolts, Optimized Preload Retention M25.4x102mm Track Bolts, Vibration-Load Reliability M25.4x102mm 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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