S-92311A741 1/2"-20 x 1 1/2" ASME B18.3 Set Screws
Set Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Maximum holding power ensured by Class 3A thread fit for precise, vibration-resistant fastening
- Enhanced durability with Rockwell B80 hardness, providing excellent wear resistance
- Secure installation using standard 1/4" hex drive for reliable torque application
- Deep gripping capability from the cup point tip that bites into shafts for permanent positioning
- Space-saving design as a headless set screw for applications with limited clearance
- Industry compliance meeting ASME B18.3 standards for consistent quality and performance
Professional Applications & Engineering Value
This 1/2"-20 UNF set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction combined with Class 3A thread fit ensures precise engagement and maximum holding strength, preventing loosening in high-stress environments. The headless design with cup point tip provides deep penetration into mating surfaces, making it ideal for permanent positioning of gears, pulleys, and collars on shafts. The fine thread spacing and right-hand thread direction offer superior adjustment capabilities while the hex drive style allows for easy installation in confined spaces. These features make it particularly valuable in machinery assembly, automotive components, and precision equipment where reliability and long-term performance are essential.
Specification Summary & Compliance
This set screw features Class 3A thread fit for superior dimensional accuracy and meets ASME B18.3 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications. The UNF fine thread standard provides precise engagement while maintaining the high strength characteristics required for heavy-duty fastening applications.
