S-92240A116 1/4"-28 x 3" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 80,000 psi ensures secure, durable fastening under significant mechanical stress.
- Precise UNF fine threading with Class 2A fit provides superior vibration resistance and reliable assembly in fine-pitch applications.
- Full threading along the 3-inch length offers maximum grip and adjustability for a wide range of material thicknesses.
- Rockwell B70 hardness enhances wear resistance and maintains thread integrity during repeated use.
- External hex drive design allows for easy installation and high torque application with standard tools.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial procurement.
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The UNF fine thread and Class 2A fit ensure tight, secure connections in precision equipment, machinery, and structural assemblies, reducing maintenance needs. Its fully threaded design and external hex drive facilitate quick installation in automotive, aerospace, and manufacturing sectors, where reliability and compliance with ASME B18.2.1 standards are critical. The material's inherent resistance to oxidation and chemicals makes it suitable for outdoor, marine, and chemical processing applications, delivering long-term performance and cost savings.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with Class 2A dimensional accuracy, ensuring consistent fit and function. It meets ASME B18.2.1 specifications for hex head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for global industrial use without hazardous substances.
