Description
Upgrade your wheel hardware with the Mr. Lugnut 5740-BLK Closed End Spline Lug Nut in 1/2-20 right-hand thread and a black finish. Built for passenger vehicle applications, this closed-end spline-style lug nut offers a clean, compact look that pairs well with aftermarket wheels and blacked-out wheel setups.
Its closed-end design helps deliver a finished appearance while the spline-drive style supports a more streamlined profile than traditional hex lug nuts. For shoppers replacing worn hardware or completing a wheel install, this lug nut is a solid choice when your application requires 1/2-20 RH threading and spline-style installation.
Before ordering, confirm your wheel seat type, thread size, and installation tool compatibility to ensure correct fitment.
- Closed-end spline lug nut design
- 1/2-20 right-hand thread
- Black finish for a clean custom look






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