S-92991A617 3/8"-16 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to durable brass construction, ideal for harsh environments and moisture-prone applications
• Exceptional thread engagement and vibration resistance with Class 3A fit and coarse UNC thread for reliable, secure fastening
• High-torque installation capability via the 3/16" hex drive, preventing tool slippage and ensuring precise placement
• Optimized surface contact and component retention with the cup tip design, minimizing damage to shafts and hubs
• Enhanced mechanical strength and durability from Rockwell B55 hardness, resisting wear and deformation under load
• Streamlined, space-saving assembly with the headless design, perfect for confined spaces and flush mounting requirements
• Guaranteed quality and safety compliance meeting ASME B18.3, RoHS 3, and REACH standards for industrial use

Professional Applications & Engineering Value

This brass set screw is engineered to address common industrial challenges like corrosion, vibration loosening, and space constraints. The 3/8"-16 UNC coarse thread with Class 3A fit ensures rapid assembly and robust holding power in dynamic applications, from machinery to electrical enclosures. Its headless design and hex drive allow for compact installations without protruding elements, while the cup tip provides concentrated clamping force to prevent component slippage. Made from brass, it naturally resists rust and galvanic corrosion, making it a reliable choice for marine, plumbing, and outdoor equipment. Compliance with ASME B18.3 guarantees dimensional accuracy, supporting seamless integration into precision assemblies and reducing the risk of fastener failure.

Specification Summary & Compliance

This set screw features a 3/8"-16 UNC coarse thread with Class 3A thread fit for high precision and strength. It adheres to ASME B18.3 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer applications without hazardous substances.