Factory lug nuts are spec'd for OEM wheels, and many aftermarket setups demand something more capable. Rough Country's bulge acorn lug nuts give 2010-2026 F-150 and Raptor owners a cold-forged, corrosion-resistant upgrade that seats cleanly on aftermarket wheels and holds them there through street miles and off-road abuse alike.
Cold-forged carbon steel construction. Each lug nut starts as a cold-forged carbon steel billet, a process that aligns the grain structure of the metal and produces greater rigidity and resistance to deformation than cast alternatives. The result exceeds OEM strength and hardness standards, giving you clamping force you can rely on under sustained load.
Bulge acorn design for a centered, secure seat. The bulge acorn profile delivers over 6% more seating surface area compared to standard acorn lug nuts, distributing clamping load more evenly across the wheel seat. That broader contact patch reduces the risk of loosening over time, whether you're hauling on the highway or crawling over rough terrain.
Durable black protective coating. A hard black finish seals the carbon steel against moisture, road salt, and the corrosive grime that accumulates on any working truck. The coating holds its appearance through repeated installation and removal without flaking or peeling.
Precision M14 x 1.5 threads. Cut to tight tolerances, the threads engage cleanly with standard tools, eliminating the cross-threading risk that comes with poorly machined hardware. The 24-piece count covers a full set for most F-150 and Raptor configurations.
Product Benefits
- Cold-Forged Carbon Steel: Superior grain structure provides strength and rigidity beyond OEM specifications.
- Bulge Acorn Profile: Over 6% more seating surface than standard acorn lug nuts for better load distribution.
- Corrosion-Resistant Finish: Black protective coating resists moisture, road salt, and harsh driving environments.
- Precision M14 x 1.5 Threads: Clean thread engagement with standard tools for fast, hassle-free installation.
- 24-Piece Set: Enough hardware to cover a complete wheel swap on most F-150 and Raptor builds.
- Exceeds OEM Standards: Manufactured to surpass factory material quality and hardness requirements.
- Street and Off-Road Ready: Engineered to handle the demands of both daily driving and off-road use.
Note: Fits 2015-2026 F-150, 2017-2026 Raptor, and 2010-2014 Raptor. Verify wheel seat type before ordering; bulge acorn lug nuts require a conical/acorn seat on the wheel.
About Rough Country: Rough Country produces suspension lifts, wheels, lighting, and accessories built around the needs of truck and off-road enthusiasts. The brand focuses on delivering capable, value-driven hardware for popular platforms including the F-150 and Raptor, with products engineered to handle the demands of both trail use and everyday driving.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Trim | King Ranch, Lariat, Limited, Platinum, Raptor, STX, Timberline, Tremor, XL, XL STX, XLT |
| Vehicle Fitment | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 |