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

• Complete Hardware Set: Includes 4 Grade 8 hex bolts, 4 Grade 8 top lock nuts, and 4 flat washers—everything needed in one kit

• Heavy-Duty Construction: ¾″ diameter bolts and zinc finish offer superior strength and corrosion resistance

• Secure, Warranty-Friendly: Grade 8 hardware ensures reliable installation and retains torque under vibration

• Comprehensive Kit: Covers all fastener needs for standard coupler installations—no need to source parts separately

Specifications

Why This Kit Matters

• Safety & Reliability: Using correct size, Grade 8 hardware ensures safe coupler mounting

• OEM Quality: High-grade fasteners match factory installations for trusted performance

• Convenient & Time-Saving: One all-inclusive kit reduces downtime and effort

• Built to Last: Zinc plating protects against rust, while top lock nuts resist loosening

Ideal For

• Trailer manufacturers building OEM-quality assembles

• Service shops refurbishing coupler hardware

• Fleet maintenance crews replacing bolts on coupler units

Kit fits on coupler part number 2003388