S-91375A182 6-32 x 5/32" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Made from black-oxide alloy steel with Rockwell C45 hardness to withstand high stress and resist wear in demanding industrial environments.
• Superior Corrosion Resistance: Black-oxide surface treatment provides reliable protection against rust, extending service life in various operating conditions.
• Precise Thread Fit: Class 3A UNC coarse thread ensures tight, secure fastening with reduced risk of loosening under vibration.
• Easy Installation: 1/16" hex drive allows for straightforward tool engagement and consistent torque application in confined spaces.
• Secure Component Locking: Cup tip design concentrates pressure for a firm grip on shafts and collars, preventing slippage.
• Headless Design: Sits flush with or below the surface, ideal for applications where protruding fasteners are not feasible.
• Regulatory Compliance: Meets ASME B18.3, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 6-32 UNC thread set screw is engineered to address common industrial challenges such as component misalignment and vibration-induced loosening. The black-oxide alloy steel construction, combined with Rockwell C45 hardness, delivers high tensile strength and fatigue resistance, making it suitable for machinery, automotive assemblies, and precision equipment. The coarse thread spacing and Class 3A fit provide quick installation and reliable holding power, while the cup tip ensures minimal surface damage to secured parts. Its headless and right-hand thread design allows for discreet, space-saving fastening in applications like motor shafts and gear hubs, enhancing overall system integrity and maintenance efficiency.

Specification Summary & Compliance

This set screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy and consistent performance. It complies with ASME B18.3 manufacturing specifications, ensuring reliability in industrial use. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming its adherence to environmental and safety regulations without hazardous substances.