S-92313A413 1/4"-28 x 1/2" ASME B18.3 Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Maximum holding power and vibration resistance provided by the cup point tip design for secure, long-lasting assemblies
- Precise thread engagement with Class 3A fine thread fit (UNF 1/4"-28) ensuring reliable, high-strength fastening
- High durability and material strength from Rockwell B80 hardness, resisting deformation under load
- Easy installation in confined spaces using the headless design with a 1/8" hex drive
- Consistent performance and interchangeability guaranteed by compliance with ASME B18.3 specifications
- Environmentally safe and regulated substance compliance meeting RoHS 3 and REACH standards
Professional Applications & Engineering Value
This 316 stainless steel headless hex set screw is engineered to address critical challenges in precision assemblies where space is limited and corrosion is a concern. The fine UNF thread (1/4"-28) and Class 3A thread fit provide exceptional clamping force and vibration resistance, preventing loosening in dynamic applications such as machinery, automotive components, and marine equipment. The cup point creates a firm bite into shafts and collars, ensuring permanent positioning without slippage. Made from 316 stainless steel, it offers excellent resistance to chemicals, saltwater, and extreme temperatures, making it a reliable choice for industrial set screws in demanding sectors including aerospace, chemical processing, and outdoor machinery.
Specification Summary & Compliance
This set screw adheres to inch system measurements with a 1/4"-28 UNF fine thread and Class 3A thread fit for high precision. It meets ASME B18.3 manufacturing standards, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial applications.