S-91772A878 5/16"-24 x 1 1/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and extended service life
• High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical stress
• Fine UNF threading (5/16"-24) provides enhanced grip and vibration resistance in precision assemblies
• Class 2A thread fit guarantees consistent, easy installation with standard mating components
• Phillips No. 4 drive allows for efficient, secure torque application with common tools
• Rounded pan head design offers a low-profile, snag-resistant finish for improved safety and aesthetics
• Full compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to strict industrial and environmental standards

Professional Applications & Engineering Value

This 5/16"-24 UNF screw in passivated 18-8 stainless steel is engineered to address critical challenges in industrial settings, such as corrosion in humid or chemical-exposed environments. The fine thread spacing and Class 2A fit deliver precise, secure fastening in applications requiring vibration resistance, like machinery, automotive assemblies, and electronic enclosures. Its rounded pan head with Phillips drive facilitates quick installation while minimizing protrusion, reducing the risk of snagging in tight spaces. Fully threaded for maximum holding power, this screw meets ASME B18.6.3 specifications, making it a dependable choice for OEMs and maintenance teams seeking durability and regulatory compliance.

Specification Summary & Compliance

This screw features a 5/16"-24 UNF fine thread with Class 2A thread fit for consistent dimensional accuracy. It is manufactured in accordance with ASME B18.6.3 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.