S-90499A845 7/8"-14 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 8 steel construction, ideal for high-stress industrial applications
• Superior vibration resistance thanks to 7/8"-14 UNF fine threads that maintain secure connections under dynamic loads
• Precise thread engagement with Class 2B thread fit ensuring reliable performance and reduced assembly issues
• Optimal torque transmission through the external hex drive design, allowing for efficient installation with standard tools
• Enhanced load distribution from the standard hex nut profile (1 5/16" width, 3/4" height) for stable fastening
• Right-hand thread direction provides familiar and straightforward installation for maintenance teams
• Heavy-duty performance in inch system measurements, compatible with existing industrial equipment and standards

Professional Applications & Engineering Value

This Grade 8 steel hex nut with 7/8"-14 UNF fine threads is engineered to address critical challenges in heavy machinery, construction, and automotive sectors where vibration loosening and high tensile loads are common. The fine thread pitch offers increased surface contact, significantly enhancing resistance to shock and vibration compared to coarse threads. Made from high-strength steel, it withstands extreme temperatures and corrosive environments when paired with appropriate coatings. The external hex drive allows for high torque application without stripping, making it ideal for bolted connections in structural frameworks, engine components, and industrial equipment requiring Class 2B thread fit precision. Its robust design ensures long-term reliability, reducing maintenance downtime and replacement costs in heavy-duty applications.

Specification Summary & Compliance

This hex nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy. Manufactured to meet Grade 8 strength requirements, it complies with relevant ASME and ANSI specifications for inch-system fasteners. The product follows industrial manufacturing norms and is suitable for applications requiring RoHS and REACH compliance when specified, ensuring environmental and safety standards are met in various sectors.