S-90400A223 10-32 x 1" ASME B18.13 Steel Pan Head Phillips Screws with Spring Lock Washer

Key Features & Benefits at a Glance

• Enhanced vibration resistance with an integrated spring lock washer that maintains clamping force under dynamic loads.
• Superior corrosion protection through zinc-plated steel construction, extending service life in harsh environments.
• High tensile strength of 60,000 psi ensures reliable performance in demanding mechanical assemblies.
• Secure and efficient installation with a No. 2 Phillips drive and standard pan head for easy torque application.
• Precise Class 2A thread fit guarantees smooth engagement and consistent fastening in UNF fine-thread applications.
• Rockwell B70 hardness provides excellent durability and resistance to wear during repeated use.
• Full 1" threading offers maximum grip length for robust connections across various material thicknesses.

Professional Applications & Engineering Value

Engineered for industrial and commercial fastening, these 10-32 UNF screws with a spring lock washer address critical challenges like loosening from vibrations in machinery, automotive, and electronics assemblies. The zinc-plated steel material combats corrosion, while the fine thread design and Class 2A fit ensure precise alignment and reduced risk of cross-threading. The integrated lock washer eliminates the need for separate components, speeding up installation and enhancing reliability in vibration-prone environments, making them ideal for maintenance and production lines where consistent performance is paramount.

Specification Summary & Compliance

This screw features a 10-32 UNF thread with Class 2A tolerance for accurate fit, fully threaded along a 1" length. It meets ASME B18.13 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental responsibility in global supply chains.