S-94355A714 1/4"-28 x 1" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• Exceptional thread precision with Class 3A fit ensures tight, secure fastening and minimizes the risk of loosening under vibration
• High mechanical strength backed by Rockwell B80 hardness, providing reliable holding power for demanding applications
• Secure and flush installation thanks to the headless design and flat tip, preventing protrusion and maintaining a clean profile
• Easy and efficient installation with a 1/8" hex drive, allowing for high torque application in confined spaces
• Reliable fine thread engagement with 1/4"-28 UNF threads offering increased adjustability and resistance to vibrational loosening
• Guaranteed quality and safety through compliance with ASME B18.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 1/4"-28 UNF Class 3A set screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 Stainless Steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications in moist or chemically aggressive environments, such as marine equipment, food processing machinery, and outdoor industrial apparatus. Its headless design with a flat tip ensures a flush finish, crucial for rotating components where clearance is limited, preventing interference and damage. The fine thread spacing and Class 3A thread fit deliver superior clamping force and vibration resistance, reducing maintenance needs in dynamic systems like motor shafts, pulleys, and precision instruments. The 1/8" hex drive facilitates secure installation even in tight spaces, enhancing assembly efficiency. Compliant with ASME B18.3 and environmental regulations, this fastener offers reliability and longevity, minimizing downtime and replacement costs in B2B industrial settings.

Specification Summary & Compliance

This set screw features a 1/4"-28 UNF fine thread with a Class 3A thread fit for high precision and tight tolerances. It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B80 and includes a flat tip and right-hand thread direction. The product conforms to ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence for industrial use.