9/16"-12 x 3-1/2" 18-8 Stainless Steel Hex Bolt | 3000-140089
9/16"-12 x 3-1/2" 18-8 Stainless Steel Hex Bolt | 3000-140089 is backordered and will ship as soon as it is back in stock.
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9/16"-12 x 3-1/2" 18-8 Stainless Steel Hex Bolt | 3000-14...
9/16"-12 x 3-1/2" 18-8 Stainless Steel Hex Bolt | 3000-140089 is backordered and will ship as soon as it is back in stock.
Description
Description
9/16"-12 x 3-1/2" 18-8 Stainless Steel Hex Bolt — Corrosion-Resistant Upgrade Hardware
This 18-8 (304) stainless steel hex head bolt is a corrosion-resistant upgrade for trailer hardware where long-term serviceability and easier removal are priorities. It is commonly used in brackets and mid-depth mounting points exposed to water, road spray, and repeated adjustment.
Stainless hardware is often selected in saltwater or high-exposure environments where coated hardware can seize or degrade over time.
| Part Number: | 3000-140089 |
| Component Type: | Hex Head Bolt |
| Diameter / Thread: | 9/16"-12 UNC (Coarse Thread) |
| Length: | 3-1/2" |
| Material: | 18-8 Stainless Steel (304) |
| Finish: | Natural Stainless (Corrosion Resistant) |
| Common Use: | Spring hangers and equalizers, roller arm and guide brackets, light brackets, tie-downs, fender supports, and winch stand plates |
| Function: | Provides corrosion-resistant clamping for components that may require periodic removal or adjustment |
| Recommended Hardware: | Use with compatible locknuts and apply anti-seize compound during installation to prevent galling |
| Included: | 1 Hex Head Bolt (nuts and washers sold separately) |
| Important Note: | Stainless hardware offers excellent corrosion resistance but typically lower tensile strength than Grade 5 steel. Verify application before substituting for structural, load-critical connections. |
Why Choose Stainless Hardware
- Excellent corrosion resistance in saltwater and high-exposure environments
- Easier removal after long-term use
- Reduced risk of seized or frozen fasteners
Best suited for serviceable components—not primary structural connections.
Installation Considerations
- Always apply anti-seize compound
- Avoid dry installation with impact tools
- Use compatible locknuts to prevent thread galling
Improper installation can cause galling or seizure.
Real-World Insight
At EZLoaderParts411.com, stainless bolts in this size are commonly used in brackets and mid-depth connections where corrosion makes standard hardware difficult to service. They improve long-term usability but should be selected appropriately based on load requirements.
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