S-93386A321 10-32 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 400 Nickel material, ideal for harsh industrial environments
• Precise thread engagement with Class 3A fit for maximum holding power and vibration resistance
• Space-saving headless design allows for flush mounting in confined assembly spaces
• Secure hex drive installation with 3/32" drive size preventing cam-out during torque application
• Enhanced grip performance from cup tip design that bites into mating surfaces
• Reliable fine thread spacing (10-32 UNF) for improved adjustment precision and load distribution
• Right-hand thread configuration for standard installation procedures and operator familiarity

Professional Applications & Engineering Value

This 10-32 UNF Class 3A set screw delivers exceptional performance in precision assemblies where vibration resistance and corrosion protection are critical. The 400 Nickel material provides excellent durability in demanding environments while the headless hex drive design ensures reliable installation in space-constrained applications. The fine thread spacing and Class 3A thread fit create superior clamping force for permanent positioning of components in machinery, automotive systems, and precision instruments. The cup tip configuration bites securely into shafts and rotating elements, preventing slippage under dynamic loads while maintaining alignment accuracy in industrial equipment and manufacturing fixtures.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 standards with Class 3A thread fit for precision tolerance and reliable performance. This 10-32 UNF set screw features fine thread spacing with right-hand thread direction and measures 3/8" in length with 3/32" hex drive. The fastener is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting international environmental and safety regulations for industrial applications.