0.88 Bolt Kit 1 - Bolt Installation Kit for Coupler
Ensure a secure and hassle-free installation of your trailer coupler with the 0.88 Bolt Kit 1. This premium kit includes all the hardware needed for proper mounting of the H PIN 90K WF coupler, designed to meet rugged performance standards. Ideal for trailer owners, repair shops, or fleet maintenance teams seeking OEM-quality parts.
Features
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Complete Kit: Includes 4 Grade 8 bolts, 4 nuts, and 4 washers—everything needed for installation
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Heavy-Duty Bolts: 0.88″ diameter, Grade 8 steel, engineered for 650 lb‑ft torque capacity
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Perfect Fit: Specifically sized for coupler part number H PIN 90K WF
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Durable Construction: Grade 8 steel bolts resist shearing and maintain high clamp force over time
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Maintenance Ready: Replaces worn or damaged hardware to keep coupler joints safe and secure
Specifications
| Component | Specification |
|---|---|
| Bolt Size | 0.88″ diameter; Grade 8, 650 lb‑ft torque |
| Bolt Quantity | 4 |
| Nut Type | Standard 1T14 (Qty 4) |
| Washer Type | 4B14 flat washers (Qty 4) |
| Compatibility | Fits coupler H PIN 90K WF |
| Material | High-strength Grade 8 steel |
| Torque Rating | 650 lb‑ft |
| SKU | 0.88 Bolt Kit 1 |
Why This Kit Matters
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Safety First: Using correctly sized, high-strength bolts ensures your trailer coupler is securely mounted for safe towing
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OEM Quality: Direct replacement for factory-installed hardware, maintaining coupler integrity
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Time-Saving: One kit includes all components—no need to source nuts or washers separately
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Built to Last: Grade 8 steel holds torque under vibration and load, resisting loosening
Ideal For
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Felling Trailers owners upgrading or rebuild coupler hardware
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Maintenance shops servicing trailers with H PIN 90K WF couplers
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Fleet operators needing reliable replacement parts for safe performance
Kit fits coupler part number H PIN 90K WF