S-98057A417 8-32 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life
• Reliable, vibration-resistant fastening provided by coarse UNC threads and Class 2A fit for secure assemblies
• Easy installation and adjustment using the slotted drive style, compatible with standard tools
• Excellent mechanical strength from Rockwell B80 hardness, ensuring the set screw maintains its form under load
• Secure, non-slip grip on shafts and components due to the effective cup tip design
• Guaranteed dimensional consistency and interchangeability, manufactured to meet ASME B18.3 specifications
• Safe for sensitive applications with compliance to RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

Engineered for precision and durability, this 8-32 UNC set screw in 316 stainless steel addresses common industrial challenges such as component loosening due to vibration and corrosion in demanding settings. Its headless, slotted design allows for flush mounting in tight spaces, while the coarse thread spacing and Class 2A thread fit ensure quick installation and a secure hold. The cup tip provides concentrated pressure to prevent slippage on shafts or gears, making it ideal for machinery, automotive, and marine applications where reliability is critical. With ASME B18.3 compliance, it guarantees consistent performance in assembly lines and maintenance operations, reducing downtime and replacement costs.

Specification Summary & Compliance

This set screw features a thread size of 8-32 UNC with a Class 2A thread fit for precise dimensional accuracy, a length of 3/8", and a right-hand thread direction. It conforms to ASME B18.3 manufacturing standards and is certified compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.