S-92311A707 1/2"-13 x 1/2" 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 holding power provided by the cup point tip design, which bites into the shaft for a secure, non-slip connection
• High-strength performance with a Rockwell B80 hardness, ensuring durability and resistance to wear under heavy loads
• Precise and reliable fit due to the Class 3A thread fit, offering tighter tolerances for high-vibration applications
• Easy and secure installation with the 1/4" hex drive, allowing for high torque application without cam-out
• Proven industry compliance meeting ASME B18.3 standards, ensuring dimensional accuracy and interchangeability
• Safe for regulated industries with RoHS 3 and REACH compliance, free from hazardous substances

Professional Applications & Engineering Value

This 1/2"-13 UNC set screw is engineered to solve critical challenges in power transmission and motion control systems. The headless design and cup point create a flush, high-grip connection perfect for securing collars, gears, and pulleys onto shafts without protruding components. Manufactured from 18-8 Stainless Steel, it provides excellent resistance to rust and corrosion, making it a reliable choice for food processing, marine, and outdoor machinery applications. The coarse UNC thread and Class 3A fit ensure rapid assembly and a vibration-resistant hold, reducing maintenance downtime. The 1/4" hex drive accommodates standard tools for fast, secure installation in confined spaces, delivering consistent performance in demanding industrial settings.

Specification Summary & Compliance

This set screw features a 1/2"-13 UNC coarse thread with a Class 3A thread fit for precision and high tensile strength applications. It is manufactured in compliance with the ASME B18.3 standard, ensuring dimensional accuracy and reliability. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.