S-94895A119 3/8"-16 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring high tensile strength for demanding industrial applications
• Superior corrosion resistance from black-oxide steel construction, extending service life in harsh environments
• Precise thread engagement with Class 2B thread fit, providing consistent fastening performance and reducing cross-threading risks
• Easy installation and removal thanks to standard external hex drive design and coarse UNC threads
• Wide compatibility with 3/8"-16 UNC coarse threaded bolts and components commonly used in industrial machinery
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial usage
• Dimensional consistency with 9/16" width and 21/64" height for reliable fit in standard applications

Professional Applications & Engineering Value

This Grade 8 hex nut delivers exceptional engineering value through its black-oxide steel construction and UNC coarse thread design, specifically engineered to withstand high-vibration environments and heavy load conditions. The 3/8"-16 thread size with Class 2B thread fit ensures precise mating with corresponding bolts, reducing the risk of loosening in machinery, construction equipment, and automotive assemblies. The black-oxide surface treatment provides enhanced corrosion protection without compromising dimensional accuracy, making it ideal for outdoor applications, industrial machinery, and structural frameworks where environmental exposure is a concern. The external hex drive allows for high-torque installation using standard tools, while the coarse thread spacing facilitates quick assembly in production environments.

Specification Summary & Compliance

This heavy-duty hex nut features 3/8"-16 UNC coarse threads with Class 2B thread fit tolerance, ensuring precise dimensional accuracy per industry standards. The nut maintains standard dimensions of 9/16" width and 21/64" height with right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted substances. The Grade 8 strength classification guarantees mechanical properties suitable for high-stress applications, while the black-oxide finish provides additional corrosion protection beyond standard steel fasteners.