S-94811A050 1 7/8"-8 ASME B18.2.2, SAE J995 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution due to the extra wide hex profile, reducing the risk of surface damage and loosening under high vibration.
• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise thread engagement with Class 2B fit and UNF fine threads, providing secure fastening and minimizing cross-threading risks.
• High-strength performance compliant with ASME B18.2.2 and SAE J995 standards, guaranteeing consistent quality for heavy-duty applications.
• Easy installation and removal using standard external hex drive tools, saving time and labor in assembly processes.
• Environmental compliance with RoHS 3 regulations, making it safe for use in regulated industries without harmful substances.
• Optimal dimensional stability with a width of 2 15/16" and height of 1 27/32", ensuring compatibility and ease of handling in inch-based systems.

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered for demanding industrial applications where reliability and durability are critical. Constructed from zinc-plated steel, it offers excellent protection against corrosion, making it ideal for outdoor machinery, construction equipment, and automotive assemblies exposed to moisture and chemicals. The UNF fine thread design and Class 2B thread fit ensure tight, vibration-resistant connections, reducing maintenance needs in high-stress environments like heavy machinery and structural frameworks. By meeting ASME B18.2.2 and SAE J995 standards, it provides consistent performance in load-bearing scenarios, solving common issues of fastener failure and ensuring operational safety. Its extra wide profile distributes clamping force evenly, preventing damage to connected components and extending service life in industrial hex nut applications.

Specification Summary & Compliance

This nut features a 1 7/8"-8 UNF fine thread with Class 2B thread fit for precise tolerance, adhering to ASME B18.2.2 and SAE J995 manufacturing specifications. It is compliant with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances. Dimensions include a width of 2 15/16" and height of 1 27/32", designed for use in inch-based systems with right-hand thread direction.