S-91935A150 5/8"-11 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring high load-bearing capacity for demanding industrial applications.
• Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh or outdoor environments.
• Space-saving thin profile design allows for use in tight or confined assembly spaces without compromising performance.
• Precise and secure fastening with 5/8"-11 UNC coarse threading and Class 2B fit, reducing cross-threading risks and ensuring consistent engagement.
• Broad compatibility and standardization through compliance with ASME B18.2.2, facilitating easy integration into existing inch-system assemblies.
• Enhanced environmental safety with RoHS 3 and REACH compliance, meeting strict regulatory standards for hazardous substance control.
• Easy installation and removal using standard external hex drive tools, improving assembly efficiency and maintenance workflows.

Professional Applications & Engineering Value

This Grade 8 thin hex nut is engineered to address critical challenges in heavy machinery, structural frameworks, and automotive systems where high tensile strength and corrosion resistance are paramount. The zinc-flake-coated steel construction provides a durable barrier against moisture, chemicals, and UV exposure, significantly reducing maintenance frequency and failure risks. Its thin profile is ideal for weight-sensitive or space-constrained designs, while the 5/8"-11 UNC coarse thread ensures rapid installation and reliable performance under vibration. Compliant with ASME B18.2.2, it guarantees dimensional accuracy and interchangeability, making it a trusted choice for OEMs and MRO professionals seeking longevity and compliance in industrial fasteners.

Specification Summary & Compliance

This hex nut adheres to Class 2B thread fit tolerances and UNC coarse thread standards, with precise dimensions of 15/16" width and 3/8" height. Manufactured in accordance with ASME B18.2.2 specifications, it ensures consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for industrial use.