S-94105A393 1/2"-13 x 2" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• High-strength durability from alloy steel with Rockwell C45 hardness, resisting deformation under heavy loads.
• Precise thread engagement with Class 3A fit, ensuring reliable fastening and reduced risk of loosening.
• Easy installation and removal using a standard 1/4" hex drive, saving time in assembly and maintenance.
• Secure component positioning with a flat tip design, providing stable contact without damaging surfaces.
• Broad compatibility with UNC coarse threads, ideal for high-vibration applications requiring robust hold.
• Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.

Professional Applications & Engineering Value

This hex headless set screw is engineered from black-oxide alloy steel to address common industrial challenges like component slippage and corrosion. The Class 3A thread fit and UNC coarse threads deliver exceptional clamping force in high-stress assemblies, such as machinery shafts and rotating equipment, where vibration resistance is critical. The flat tip design minimizes surface damage while maintaining secure alignment, and the Rockwell C45 hardness ensures long-term performance without wear. Ideal for automotive, manufacturing, and heavy-duty applications, this fastener combines precision thread standards with robust material properties to enhance operational reliability and reduce maintenance downtime.

Specification Summary & Compliance

This set screw features a 1/2"-13 UNC coarse thread with Class 3A precision tolerance for accurate fit, manufactured in compliance with ASME B18.3 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use in regulated industries.