S-90831A220 3/4"-10 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel with black-oxide finish, ideal for harsh environments and outdoor applications.
• Space-saving thin profile allows for use in tight assemblies where standard hex nuts are too bulky.
• Reliable, coarse UNC thread engagement ensures quick assembly and reduced risk of cross-threading in industrial settings.
• Consistent Class 2B thread fit provides smooth, reliable mating with Class 2A bolts for predictable torque and clamp load.
• External hex drive design offers excellent grip for high-torque installation using standard wrenches and sockets.
• Full compliance with RoHS 3 and REACH guarantees the nut is free from hazardous substances, meeting strict international regulatory standards.
• Durable right-hand threading delivers robust performance in standard rotational applications, ensuring long-term joint integrity.

Professional Applications & Engineering Value

This 3/4"-10 UNC thin hex nut is engineered to solve critical challenges in demanding industrial assemblies. The Black-Oxide 316 Stainless Steel construction provides exceptional resistance to corrosion, pitting, and chemical exposure, making it perfect for marine, chemical processing, and food industry equipment where moisture and aggressive agents are prevalent. Its thin profile is a key advantage in compact machinery, electrical enclosures, and structural frameworks where space optimization is crucial without sacrificing strength. The coarse UNC thread facilitates faster installation and disassembly, reducing labor time in maintenance-heavy operations. Combined with a Class 2B thread fit, it ensures reliable, vibration-resistant connections that maintain clamp force under dynamic loads, enhancing the safety and longevity of your bolted joints.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a precise Class 2B thread fit for consistent compatibility with mating components. Dimensions include a 1 1/8" width and 27/64" height, conforming to inch-system specifications. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted substances and safe for use in regulated markets.