S-91241A775 10-32 x 5/8" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with an integrated spring lock washer that maintains clamping force under dynamic loads.
• Excellent corrosion resistance thanks to 18-8 stainless steel construction and a passivated finish for harsh environments.
• High-strength performance with 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications.
• Secure, precise fastening with Class 2A fine UNF threads ensuring accurate fit and reduced risk of cross-threading.
• Easy installation and removal using a standard No. 2 Phillips drive, compatible with common tools.
• Reliable locking action from the 410 stainless steel spring washer, preventing loosening over time.
• Full thread engagement along the 5/8" length for maximum grip and load distribution.

Professional Applications & Engineering Value

This 10-32 UNF screw with a rounded pan head and integrated spring lock washer is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional durability against moisture and chemicals, making it ideal for machinery, automotive, and electronic enclosures. The fine thread design and Class 2A fit ensure tight tolerances and reliable performance in precision applications, reducing maintenance needs and enhancing operational safety. Its fully threaded construction allows for consistent clamping force, while the washer adds an extra layer of security in high-stress environments.

Specification Summary & Compliance

This screw features a 10-32 UNF thread with Class 2A tolerance for precise fit, a length of 5/8", and is fully threaded. It complies with ASME B18.13 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and regulatory adherence for global supply chains.