Life Time Nut Covers - 3/4 Inch 18 mm Chrome Frame Bolt Cover Push On Top Hat Style

Classic Chrome Finish for Your Truck Frame BoltsThe Lifetime Nut Covers 115-NC ¾″ (18 mm) Frame Bolt Cover gives your truck frame a clean, polished look while protecting bolt heads from corrosion, dirt, and debris. Made from high-impact ABS plastic with a durable chrome-plated finish, this push-on top-hat-style cover installs quickly and securely—no tools required. Perfect for show-quality builds or everyday rigs that deserve a professional finish.

Key Features:

• Fits standard ¾″ and 18 mm frame bolts (commonly found on Peterbilt, Kenworth, and Freightliner trucks)
• Push-on design for fast, tool-free installation
• Constructed from ABS plastic with mirror-bright chrome finish
• Protects bolt heads from rust, grease, and road grime
• Lightweight, durable, and corrosion-resistant for long-term use
• Sold individually or in sets for complete frame coverage
• Proudly made in the USA

Specifications (Approximate):

• Outer Diameter: ~ 30 mm (1.18 in)
• Inner Diameter: ~ 28 mm (press-fit fitment for ¾″ / 18 mm bolts)
• Height: ~ 26 mm (1 in tall)
• Material: Chrome-plated ABS plastic – lightweight and non-metallic

Note: Measurements are approximate. Please verify your frame bolt size before installing for best fit.

Installation:Clean bolt heads and surrounding areas, align cover over each bolt, and press firmly until secure. Recheck after first drive to confirm fit.

Common Questions:Q: Are these metal or plastic?A: They’re made of high-impact ABS plastic with a chrome finish—durable and lightweight.Q: Do they fit ¾″ frame bolts on Peterbilt frames?A: Yes, they fit most ¾″ (18 mm) frame bolts found on Peterbilt, Kenworth, and Freightliner trucks.

California Proposition 65 Warning:⚠️ WARNING: This product may expose you to chemicals including styrene, which is known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.