S-94355A739 1/2"-13 x 5/8" 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
• Precise Class 3A thread fit ensures tight tolerances and reliable, vibration-resistant fastening in demanding applications
• Hex drive design allows for high-torque installation and removal with standard tools, preventing tool slippage
• Exceptional mechanical strength with Rockwell B80 hardness, providing excellent resistance to wear and deformation
• Industry-standard compliance with ASME B18.3 specifications guarantees consistent quality and interchangeability
• Headless, flat tip configuration offers a flush finish and secure positioning without protruding components
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe, sustainable use in global markets

Professional Applications & Engineering Value

This 1/2"-13 UNC hex headless set screw delivers critical performance in industrial settings where corrosion resistance and precise alignment are paramount. Manufactured from 18-8 stainless steel, it effectively combats rust and chemical degradation in machinery, automotive assemblies, and outdoor equipment. The coarse UNC thread and Class 3A fit provide rapid installation and superior holding power, minimizing loosening under dynamic loads. Its headless design and flat tip ensure seamless integration into collars, shafts, and pulleys, preventing interference in compact spaces. By meeting ASME B18.3 standards, this set screw offers engineers a dependable, specification-compliant solution for permanent or adjustable fastening, reducing maintenance cycles and enhancing operational reliability.

Specification Summary & Compliance

This set screw features a 1/2"-13 UNC coarse thread with Class 3A precision fit and a length of 5/8". It is manufactured in compliance with ASME B18.3 specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both dimensional accuracy and global regulatory acceptance for industrial use.