S-92785A192 8-32 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior vibration resistance and permanent holding power with the 90° cone point design that bites into mating surfaces
• High-strength performance backed by Rockwell B80 hardness for reliable, repeated use without deformation
• Precise, secure installation using the 5/64" hex drive, preventing cam-out and ensuring proper torque application
• Optimal thread engagement with Class 3A thread fit, providing tighter tolerances for enhanced fastening reliability
• Space-saving headless design allows for flush mounting in applications where clearance is limited
• Broad compatibility with UNC coarse threads for quick assembly and disassembly in various machinery

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers critical engineering value in applications demanding unwavering positional security. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, making it suitable for use in moist or chemically aggressive environments. The 90° cone point is engineered to concentrate force on a small area, creating a deep indentation in the shaft or component it secures. This design effectively counters loosening from vibration—a common failure point in rotating assemblies like motor pulleys, gears, and couplings. The headless, hex drive configuration allows it to be fully recessed, making it the ideal choice for securing collars and knobs on shafts without protruding hardware. Its Class 3A thread fit and coarse thread spacing ensure a strong, precise hold, streamlining maintenance and assembly processes in industrial machinery, automotive systems, and precision equipment.

Specification Summary & Compliance

This set screw conforms to the dimensional and mechanical requirements of ASME B18.3. The thread is manufactured to UNC coarse standards with a precision Class 3A thread fit for superior engagement. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent global regulations for hazardous substances.