S-94355A740 1/2"-13 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments
• Exceptional holding power achieved through Class 3A thread fit, providing tighter tolerances and more secure fastening than standard alternatives
• Enhanced installation torque capability with the 1/4" hex drive design, allowing for high-torque applications without stripping
• Optimized for heavy-duty applications featuring Rockwell B80 hardness for excellent wear resistance and durability
• Reliable coarse threading with 1/2"-13 UNC configuration, ensuring quick assembly and reduced cross-threading risks
• Secure flat tip design that minimizes component damage while providing maximum surface contact for vibration resistance
• Full regulatory compliance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

This 1/2"-13 UNC Class 3A hex headless set screw delivers critical engineering solutions for industrial applications requiring precision fastening and vibration resistance. The 18-8 Stainless Steel composition provides excellent corrosion resistance, making it ideal for machinery, manufacturing equipment, and outdoor applications where environmental factors threaten fastener integrity. The Class 3A thread fit ensures superior clamping force and positional accuracy, preventing loosening under dynamic loads. The hex drive design accommodates high installation torque without compromising the drive mechanism, while the flat tip distributes pressure evenly to prevent damage to secured components. These features combine to create a reliable fastening solution that maintains critical alignments in pulleys, gears, and collars across various industrial sectors.

Specification Summary & Compliance

This set screw features precision 1/2"-13 UNC coarse threads with Class 3A fit for superior dimensional accuracy and tight tolerances. Manufactured to ASME B18.3 specifications, it ensures consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. With Rockwell B80 hardness and right-hand thread direction, this fastener meets rigorous industrial standards for mechanical properties and reliable operation.