S-93386A496 5/16"-18 x 5/16" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 400 Nickel construction, ideal for harsh industrial environments
• Precise Class 3A thread fit ensures reliable, vibration-resistant fastening in demanding applications
• Hex drive design provides maximum torque transmission and prevents tool slippage during installation
• Coarse UNC threading enables quick assembly and superior holding power in various materials
• Cup point tip design creates permanent seating and excellent resistance to loosening under stress
• Headless construction allows for flush mounting in space-constrained applications
• Compliance with ASME B18.3 standards guarantees consistent quality and dimensional accuracy

Professional Applications & Engineering Value

This 400 Nickel set screw delivers exceptional performance in challenging environments where corrosion resistance and reliable fastening are critical. The UNC coarse thread configuration combined with Class 3A thread fit provides superior engagement and vibration resistance in machinery, automotive components, and industrial equipment. The hex drive design ensures efficient installation with standard tools, while the cup point tip creates permanent indentation for maximum security against rotational forces. These headless set screws are particularly valuable in applications requiring flush mounting surfaces, such as shaft collars, gears, and pulleys, where space optimization and precise positioning are essential for mechanical systems.

Specification Summary & Compliance

This set screw features 5/16"-18 UNC coarse threads with Class 3A thread fit for precision engagement. Manufactured to ASME B18.3 specifications for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications while maintaining the superior corrosion resistance properties of 400 Nickel material.