S-92695A829 1/2"-20 x 2 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating for extended service life in demanding industrial environments
• Precise thread engagement with Class 3A UNF fine threads ensuring vibration-resistant, secure fastening in critical applications
• High-strength performance from alloy steel construction with Rockwell C45 hardness for reliable load-bearing capability
• Easy installation and removal with 1/4" hex drive design, providing excellent torque transmission without head protrusion
• Enhanced gripping power with 90° cone point that digs into mating surfaces to prevent component slippage
• Industry-standard compatibility meeting ASME B18.3 specifications for consistent performance across industrial equipment
• Environmental compliance assurance with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

This black-oxide alloy steel set screw delivers exceptional engineering value in applications requiring precise component positioning and secure fastening. The Class 3A UNF fine threads provide superior resistance to vibration-induced loosening, making it ideal for machinery, automotive assemblies, and precision equipment where reliable thread engagement is critical. The 90° cone point design ensures maximum biting force into shafts, collars, and hubs, preventing rotational slippage under high torque conditions. Manufactured from alloy steel with Rockwell C45 hardness, this headless fastener maintains its structural integrity in high-stress environments while the black-oxide surface treatment offers enhanced corrosion protection for extended service life in industrial settings.

Specification Summary & Compliance

This set screw features 1/2"-20 UNF Class 3A fine threads with precise dimensional accuracy per ASME B18.3 specifications. The manufacturing process complies with ASTM F912 standards, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, making it suitable for use in regulated industries and international markets. With a length of 2 1/4" and 1/4" hex drive configuration, this fastener delivers reliable performance in precision assembly applications.