S-92240A545 1/4"-20 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.
- High tensile strength of 80,000 psi ensures secure, vibration-resistant fastening in demanding applications.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Fully threaded design maximizes grip and holding power along the entire 1 1/8" length for superior load distribution.
- Coarse UNC thread with Class 2A fit allows for quicker assembly and better performance in materials prone to stripping.
- External hex drive and hex head enable easy installation and high torque application with standard tools.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality and environmental safety for industrial use.
Professional Applications & Engineering Value
This 1/4"-20 UNC Hex Head Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The 18-8 Stainless Steel material offers superior resistance to rust and chemicals, making it suitable for outdoor, marine, and chemical processing equipment. Its coarse thread and Class 2A thread fit ensure reliable engagement in softer materials or where rapid assembly is critical, reducing the risk of cross-threading. The fully threaded design and external hex drive provide consistent clamping force and ease of installation with common wrenches, enhancing efficiency in machinery assembly, structural frameworks, and automotive applications. This screw delivers dependable performance where durability and regulatory compliance are paramount.
Specification Summary & Compliance
This hex head screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring consistent quality and interoperability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial sectors without hazardous substances.
