S-95235A531 10-32 x 1/2" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Secure vibration resistance with a nylon patch thread locker that maintains integrity up to 250°F, reducing loosening in dynamic applications.
• Enhanced durability and wear resistance from alloy steel construction with Rockwell C45 hardness, ensuring long service life under mechanical stress.
• Precise thread engagement thanks to Class 3A external thread fit and fine UNF threading, providing reliable clamping force and minimizing cross-threading risks.
• Easy installation in confined spaces with a headless hex drive design, allowing flush mounting and access with standard 3/32" hex tools.
• Consistent performance in industrial settings by meeting ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability.
• Extended tip design for improved grip featuring a 0.049" extended tip that bites into materials, enhancing holding power on shafts and components.
• Compliance with environmental and safety standards including RoHS 3 and REACH, making it suitable for global supply chains and sensitive applications.

Professional Applications & Engineering Value

This 10-32 UNF set screw is engineered to address common industrial challenges such as component slippage and vibration-induced failure. The alloy steel material, hardened to Rockwell C45, provides exceptional shear strength and resistance to deformation in high-torque scenarios, while the nylon patch locking feature ensures reliable fastening without the need for additional adhesives. Its headless hex drive and fine thread design enable secure mounting in tight spaces, such as machinery collars and pulleys, where space is limited and precision is critical. By incorporating Class 3A thread fit, it delivers superior thread engagement, reducing the risk of stripping and ensuring consistent performance in assembly lines. Ideal for applications in automotive, aerospace, and manufacturing, this screw offers a robust solution for maintaining alignment and torque retention in dynamic environments.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including a Class 3A external thread fit and UNF fine thread with 10-32 size for accurate mating. It conforms to ASME B18.3 specifications, ensuring reliable manufacturing quality. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally safe and regulated industrial use.