S-92158A417 1/4"-20 x 1/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life
• Exceptional thread engagement and holding power provided by the 1/4"-20 UNC coarse thread and precise Class 3A fit, minimizing the risk of loosening
• Secure and reliable installation enabled by the 1/8" hex drive, allowing for high torque application without slippage
• Enhanced durability and wear resistance from the Rockwell B80 hardness, ensuring the fastener maintains its integrity under repeated stress
• Flush and unobtrusive fastening with the headless flat point design, perfect for applications where a smooth surface profile is critical
• Broad industry compatibility due to compliance with ASME B18.3 standards, ensuring consistent quality and dimensional accuracy
• Safe for sensitive applications as it meets RoHS 3 and REACH environmental regulations, containing no hazardous substances

Professional Applications & Engineering Value

This 316 Stainless Steel set screw is engineered to address common challenges in precision assembly and machinery. The headless design with a flat point ensures a flush finish, preventing interference in rotating components and pulley systems. Its UNC coarse thread and Class 3A fit provide rapid installation and high resistance to vibrational loosening, crucial in dynamic industrial equipment. Made from corrosion-resistant 316 stainless steel, it excels in moist or chemical-exposed environments, reducing maintenance needs. The 1/8" hex drive allows for secure tightening in confined spaces, making it a reliable choice for securing gears, collars, and knobs in manufacturing, automotive, and marine applications where durability and compliance are paramount.

Specification Summary & Compliance

This set screw features a 1/4"-20 UNC coarse thread with a Class 3A fit, ensuring tight tolerances for secure fastening. It adheres to the ASME B18.3 standard for dimensional consistency and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from restricted hazardous substances. Manufactured in the inch system, it includes a right-hand thread direction, flat tip type, and Rockwell B80 hardness for reliable mechanical properties in various industrial settings.