Lug Nuts 1/2-20 4 Pack Bulge Cone Seat Black

The McGard Lug Nuts 1/2-20 4 Pack Bulge Cone Seat Black (SKU: MCG64029) are premium fasteners engineered for drivers and technicians who demand reliability on the road and in the shop. Whether you're upgrading wheels, performing routine maintenance, or building a custom vehicle setup, these lug nuts provide the secure clamping force and corrosion resistance required for safe, long-term wheel retention. McGard's reputation for manufacturing OEM-grade fasteners makes this four-pack an essential component for any serious automotive enthusiast.

These lug nuts feature a 1/2-20 thread pitch with a right-hand thread direction, a 3/4-inch hex head for secure socket engagement, and a precision-engineered cone seat design that centers the wheel evenly on the hub. The bulge cone seat geometry distributes clamping load across a larger contact area, reducing stress concentration and preventing wheel creep or loosening over extended driving cycles. Constructed from hardened steel with black chrome plating, the fasteners resist corrosion, road salt, and thermal cycling while maintaining a clean, professional appearance. This closed-end design protects the threads from debris and moisture ingress, extending service life in harsh environments.

Mechanics and wheel specialists rely on McGard lug nuts when installing aftermarket wheels, performance rims, or replacement OEM units on passenger cars, light trucks, and crossovers. The 1/2-20 specification is compatible with a wide range of domestic and import vehicles; always verify your vehicle's exact lug nut specification before purchase. Installation requires a standard 3/4-inch socket and torque wrench—tighten to manufacturer-specified values (typically 80–130 ft-lbs depending on vehicle) in a star pattern to ensure even seating. With a weight of 0.49 lbs for the four-pack, these fasteners offer durability without adding unnecessary rotational mass.