S-94355A221 6-32 x 5/16" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid industrial environments.
• Exceptional thread engagement and holding power provided by the Class 3A thread fit, minimizing the risk of loosening under vibration.
• High-strength, durable fastening ensured by a Rockwell B80 hardness, offering reliable performance in demanding applications.
• Secure, tamper-resistant installation with a headless design and 1/16" hex drive, allowing for a flush finish and requiring a specific tool for removal.
• Optimized for quick assembly featuring a coarse UNC thread and right-hand direction for efficient installation in various materials.
• Precise, non-marring contact from the flat tip design, distributing clamping force evenly without damaging the secured component.
• Guaranteed quality and reliability as it meets ASME B18.3 specifications and is compliant with RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

This 6-32 UNC set screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 Stainless Steel material provides excellent resistance to oxidation and corrosion, making it suitable for applications in manufacturing, automotive, and electronics where environmental factors are a concern. The Class 3A thread fit ensures tighter tolerances and superior holding strength, which is vital for components subject to vibration or dynamic loads. The headless design with a 1/16" hex drive allows for a clean, unobtrusive installation, perfect for securing collars, knobs, and shafts where space is limited and a smooth exterior is required. Its flat tip offers a broad contact surface, reducing the risk of component damage during tightening. This combination of features makes it an indispensable industrial fastener for maintaining alignment and preventing slippage in high-stakes engineering environments.

Specification Summary & Compliance

This set screw adheres to a Class 3A thread fit for high precision in Unified National Coarse (UNC) 6-32 threading. It is manufactured in compliance with the ASME B18.3 standard, ensuring dimensional accuracy and performance reliability. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substances.