EZ Loader 1/2"-13 x 5-1/2" Zinc-Plated Hex Bolt | 290-001567
EZ Loader 1/2"-13 x 5-1/2" Zinc-Plated Hex Bolt | 290-001567 is backordered and will ship as soon as it is back in stock.
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EZ Loader 1/2"-13 x 5-1/2" Zinc-Plated Hex Bolt | 290-001567
EZ Loader 1/2"-13 x 5-1/2" Zinc-Plated Hex Bolt | 290-001567 is backordered and will ship as soon as it is back in stock.
Description
Description
EZ Loader 1/2"-13 x 5-1/2" Hex Head Bolt — Structural Mounting Hardware
This OEM EZ Loader hex head bolt is designed for trailer applications where proper length, clamping force, and reliable fitment are required. At 5-1/2" long, this bolt is commonly used in multi-layer mounting applications where bracket spacing and frame thickness require extended reach.
While 1/2"-13 hardware is common, overall length determines proper fitment. This bolt is sized to match specific EZ Loader mounting configurations—not just general-purpose fastening.
| Part Number: | 290-001567 |
| Component Type: | Hex Head Bolt |
| Diameter / Thread: | 1/2"-13 UNC (Coarse Thread) |
| Length: | 5-1/2" |
| Grade: | Grade 5 |
| Material / Finish: | Zinc-Plated Steel |
| Common Use: | Bunk brackets, frame mounting points, step brackets, and multi-layer trailer assemblies requiring extended bolt length |
| Function: | Provides secure clamping across multiple components while maintaining alignment under load and vibration |
| Recommended Hardware: | Typically used with 1/2"-13 locknuts and washers for proper thread engagement and vibration resistance |
| Included: | Bolt only (nuts and washers sold separately unless noted) |
| Important Note: | Length and thread engagement are critical. Verify application before ordering. Using incorrect length can reduce clamping strength and affect structural fitment. |
Designed for Multi-Layer Trailer Mounting
This bolt is used where multiple components—such as brackets, spacers, and frame members—must be secured together while maintaining proper alignment.
- Bunk support bracket assemblies
- Step and accessory mounting
- Frame-to-bracket connections
Built for applications where standard short bolts are not sufficient.
Grade 5 Strength
- Medium carbon steel construction
- Designed for structural trailer applications
- Balances strength and flexibility under load
Suitable for dynamic trailer environments with vibration and load changes.
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 across components
- Supports structural alignment
- Prevents loosening under vibration
Hardware is part of the trailer system—not interchangeable by appearance alone.
Real-World Insight
At EZLoaderParts411.com, bolts in this length range are commonly used where bracket spacing and frame geometry require additional reach. Using the correct length ensures proper thread engagement and prevents movement or misalignment over time.
Need help confirming fitment? Visit EZLoaderTrailers411.com to see real-world trailer setups and how hardware is used across different EZ Loader configurations.
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