EZ Loader 1/2"-13 x 1-1/2" Hex Head Bolt (Grade 5, Zinc) | 290-001522
EZ Loader 1/2"-13 x 1-1/2" Hex Head Bolt (Grade 5, Zinc) | 290-001522 is backordered and will ship as soon as it is back in stock.
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EZ Loader 1/2"-13 x 1-1/2" Hex Head Bolt (Grade 5, Zinc) ...
EZ Loader 1/2"-13 x 1-1/2" Hex Head Bolt (Grade 5, Zinc) | 290-001522 is backordered and will ship as soon as it is back in stock.
Description
Description
EZ Loader 1/2"-13 x 1-1/2" Hex Head Bolt — OEM Trailer Hardware Fitment
This OEM EZ Loader hex head bolt is designed for trailer applications where strength, proper clamping force, and reliable fitment are required. Commonly used in bunk supports, brackets, and accessory mounting, this bolt matches OEM specifications for consistent performance.
| Part Number: | 290-001522 |
| Component Type: | Hex Head Bolt |
| Diameter / Thread: | 1/2"-13 UNC (Coarse Thread) |
| Length: | 1-1/2" |
| Grade: | Grade 5 |
| Head Type: | Hex Head (HH) |
| Material / Finish: | Zinc-Plated Steel |
| Common Use: | Bunk support mounting, guide brackets, light mounts, and accessory attachment points |
| Function: | Maintains clamping force in vibration-prone trailer components and supports secure structural mounting |
| Recommended Hardware: | Typically used with 1/2"-13 nylon insert locknuts for vibration-resistant fastening |
| Included: | Bolt only (nuts and washers sold separately unless noted) |
| Important Note: | Always match bolt size, length, and grade to the application. Do not substitute lower-grade hardware, as this can reduce clamping strength and lead to loosening under vibration. |
Designed for Trailer Applications
This bolt is used in areas exposed to vibration, load, and outdoor conditions where secure fastening is critical.
- Upright bunk support assemblies
- Guide and light mounting brackets
- Accessory mounting points
Built to maintain clamping force under real-world trailer conditions.
Grade 5 Strength
- Medium carbon steel construction
- Stronger than standard hardware bolts
- Designed for structural and mounting applications
Provides reliable strength without excessive brittleness.
Hex Head Design
- Standard hex head for easy installation
- Allows proper torque application
- Compatible with common tools
Zinc-Plated Finish
- Sacrificial corrosion protection
- Helps protect base metal and surrounding components
- Consistent with OEM trailer hardware systems
Zinc is designed to wear first, helping protect the trailer over time.
Why This Part Matters
- Maintains proper clamping force
- Supports structural integrity
- Reduces loosening under vibration
Hardware is part of the trailer system—not interchangeable by appearance alone.
Real-World Insight
At EZLoaderParts411.com, we regularly see issues caused by incorrect bolt size or grade. Using the correct OEM hardware ensures proper fitment and long-term reliability.
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