Speed Fast Aluminum Nylock Half Nuts - Pack of 25

These aluminum black Nylock half nuts deliver maximum weight savings without sacrificing holding power, making them ideal for race cars, chassis builds, and lightweight performance applications. The thin half-nut profile is perfect for tight-clearance installations, while the nylon insert helps resist loosening from vibration and repeated use. Finished in black anodized aluminum, they offer a sleek, professional look anywhere hardware is exposed. Aluminum. Black Anodized. RH Female 1/2"-20 Thread. Bag of 25.