Ensure a reliable and secure coupler installation with the 0.75 Bolt Kit 1, designed specifically for trailer coupler mounting. This premium kit contains high-strength hardware suitable for heavy-duty use, making it ideal for OEM-style installations, maintenance operations, or coupling repairs.
Kit Includes:
- 4 – 1B12048 Bolts (0.75″, Grade 8, 400 lb-ft torque)
- 4 – 1T12 Nuts
- 4 – 4B12 Washers
Features
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Complete Hardware Set: Includes 4 Grade 8 hex bolts, 4 Grade 8 top lock nuts, and 4 flat washers—everything needed in one kit
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Heavy-Duty Construction: ¾″ diameter bolts and zinc finish offer superior strength and corrosion resistance
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Secure, Warranty-Friendly: Grade 8 hardware ensures reliable installation and retains torque under vibration
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Comprehensive Kit: Covers all fastener needs for standard coupler installations—no need to source parts separately
Specifications
| Component | Specification |
|---|---|
| Bolt Diameter | 0.75″ (¾-inch), Grade 8 |
| Bolt Length | 3.0″ |
| Quantity | Bolts: 4 Nuts: 4 Washers: 4 |
| Nut Type | Grade 8 top lock nut |
| Washer Type | ¾″ flat washer |
| Finish | Zinc coating for corrosion protection |
| Torque Rating | High clamp load for safe coupler installations |
| Material | High-strength steel |
| Compatibility | Standard trailer couplers requiring ¾″ bolts |
Why This Kit Matters
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Safety & Reliability: Using correct size, Grade 8 hardware ensures safe coupler mounting
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OEM Quality: High-grade fasteners match factory installations for trusted performance
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Convenient & Time-Saving: One all-inclusive kit reduces downtime and effort
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Built to Last: Zinc plating protects against rust, while top lock nuts resist loosening
Ideal For
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Trailer manufacturers building OEM-quality assembles
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Service shops refurbishing coupler hardware
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Fleet maintenance crews replacing bolts on coupler units
Kit fits on coupler part number
