
Hex Nuts
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From the manufacturer Hillman Solutions is a leading North American provider of hardware products, including home improvement products, protective and job site gear solutions including gloves and storage, and robotic technologies encompassing key duplication and accessories, engraving and knife sharpening. Hillman designs innovative products and merchandising solutions for complex categories. Founded in 1964 in Cincinnati, Ohio, Hillman believes that the building never stops. Product Description Hillman 3/8"-24 Grade 5 hex nuts are engineered for high-strength fastening in automotive, mechanical, and structural applications requiring fine-thread precision. Manufactured from hardened Grade 5 steel and finished with corrosion-resistant zinc plating, these nuts deliver dependable performance and improved load capacity compared to standard hardware. The 3/8"-24 SAE fine thread design provides enhanced clamping force control and vibration resistance, making these hex nuts ideal for automotive components, machinery, outdoor equipment, and structural assemblies. For optimal performance, pair with matching Grade 5 fine-thread bolts and washers. Packaged in a convenient 20-piece refill box, these high-strength zinc-plated hex nuts provide reliable fastening performance for professional contractors, mechanics, and advanced DIY projects. From the Manufacturer Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch. These nuts are left threaded. ZINC-PLATED GRADE 5 HEX NUT FOR CORROSION RESISTANCE: Zinc-plated finish provides moderate rust and corrosion protection. Grade 5 hardened steel offers higher tensile strength than Grade 2 for demanding mechanical applications. 3/8 IN.-24 FINE THREAD FOR PRECISION FASTENING: 3/8 in.-24 fine thread ensures accurate compatibility with fine-thread bolts, studs, and rods. Fine threads provide improved tension control in automotive and high-vibration uses. GRADE 5 STEEL FOR HIGH-STRENGTH MECHANICAL ASSEMBLIES: Hardened Grade 5 steel delivers increased load capacity for automotive repairs, outdoor equipment, agricultural machinery, and structural fastening requiring elevated strength. COMPLETE FASTENING SYSTEM FOR SECURE ASSEMBLIES: Use with matching 3/8 in.-24 Grade 5 bolts and washers for proper strength alignment. Avoid overtightening to prevent thread stripping and maintain long-term joint integrity. TRUSTED HILLMAN FASTENING SOLUTIONS: Hillman hardware products are engineered for consistent quality, dependable performance, and reliable fastening across construction, repair, and home improvement project applications.