S-92240A109 1/4"-28 x 1 1/8" 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.
- Superior tensile strength of 80,000 psi ensures high load-bearing capacity and joint integrity under stress.
- Precise Class 2A thread fit provides smooth assembly and reliable engagement, reducing the risk of cross-threading.
- Fully threaded design maximizes grip and holding power along the entire screw length for secure fastening.
- External hex drive and hex head allow for easy installation and high torque application with standard tools.
- Fine UNF threading (1/4"-28) offers improved adjustment accuracy and vibration resistance in precise applications.
- Rockwell B70 hardness enhances durability and wear resistance, extending service life in demanding conditions.
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw is engineered to address critical challenges in industrial settings, such as corrosion-induced failure and mechanical stress. The combination of 80,000 psi tensile strength and fine UNF threading ensures reliable performance in applications requiring precise clamping force and vibration resistance, such as machinery assembly, automotive components, and structural frameworks. The fully threaded and Class 2A fit design facilitates quick, secure installations, reducing downtime and maintenance costs. Its corrosion-resistant properties make it suitable for outdoor, marine, or chemical-exposed environments, providing long-term durability and compliance with industry standards like ASME B18.2.1.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with Class 2A tolerance for precise fit, a length of 1 1/8", and is fully threaded. It meets ASME B18.2.1 specifications for dimensional accuracy and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
