S-92186A551 1/4"-20 x 2 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 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 from 316 stainless steel construction, ideal for harsh environments and chemical exposure
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Class 2A thread fit with UNC coarse threading offers easier assembly and reduced risk of cross-threading
- External hex drive design allows for high torque application with standard tools
- Partial threading provides optimal grip and clamping force for varied material thicknesses
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental responsibility
Professional Applications & Engineering Value
These 316 stainless steel hex head screws deliver exceptional performance in demanding industrial applications where corrosion resistance and mechanical strength are critical. The UNC coarse thread configuration ensures rapid installation and reliable fastening in materials prone to vibration loosening, while the external hex drive accommodates high-torque applications common in machinery assembly, structural frameworks, and marine equipment. With partial threading and 2 1/4" length, they provide versatile clamping for various material thicknesses in chemical processing, offshore platforms, and food processing equipment where RoHS 3 and REACH compliance is essential for operational safety and regulatory adherence.
Specification Summary & Compliance
This 1/4"-20 UNC hex head screw features Class 2A thread fit per ASME B18.2.1 specifications, ensuring dimensional accuracy and interchangeability. The coarse thread spacing and right-hand thread direction follow standardized industrial practices. Manufacturing complies with ASME B18.2.1 for dimensional consistency, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) for chemical safety management.
