A nut is a type of fastener with a threaded hole. Nuts are almost always used in conjunction with a mating bolt to fasten multiple parts together. Features. 1024 in. ACHD Brass Nickel Plated Nut. Made with high quality materialSpecifications. Color Nickel Plated. Length 0.3 in / 0.76 cm. Width 0.3 in / 0.76 cm. Height 0.3 in / 0.76 cm. Size 1024