<h3>Key features</h3><ul> <li>Single SAE Size： 3/8-16x7/8" Designed for users who need a specific, commonly used fastener size without sorting through mixed assortments. Ideal for replacements, repairs, and repeat-use applications.</li> <li>Complete 48PCS Matched Set: Includes 12 hex bolts, 12 hex nuts, 12 flat washers, and 12 lock washers—a true 1:1:1:1 fastening solution.</li> <li>A2-70 Stainless Steel Construction： Manufactured from 18-8 (304) stainless steel with A2-70 mechanical properties, providing reliable strength along with excellent corrosion resistance for indoor and outdoor use.</li> <li>Corrosion Resistant for Long-Term Use： Unlike zinc-plated hardware that may wear over time, stainless steel construction helps resist rust, moisture, and everyday environmental exposure while maintaining a clean appearance.</li> <li>Versatile SAE Hardware： Suitable for equipment repair, machinery assembly, automotive maintenance, workshop projects, brackets, frames, and general-purpose fastening applications requiring consistent SAE sizing.</li> </ul><p>This SAE fastener kit is designed for users who need consistent, commonly used 3/8-16 hardware without mixed sizes or unnecessary filler pieces. Each set includes matching hex bolts, hex nuts, flat washers, and split lock washers, providing a complete fastening solution for repairs, maintenance, equipment assembly, and workshop projects. The single-size format helps simplify inventory management, improve compatibility, and reduce installation guesswork. All components are manufactured from 18-8 (304) stainless steel with A2-70 mechanical properties, providing dependable strength together with excellent corrosion resistance for indoor, outdoor, and humid environments. Precision-machined threads support smooth installation and reliable engagement, while a deburred finish improves handling and overall fit during assembly. The included flat washers assist with load distribution, while split lock washers help support joint stability in a wide range of fastening applications. This combination is suitable for brackets, frames, equipment mounts, automotive accessories, household repairs, machinery assembly, and general-purpose maintenance projects. Whether used as workshop stock, a d</p><p>Free shipping included. 30-day hassle-free returns.</p>