S-93190A566 1/4"-20 x 5 1/2" 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
- Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress
- Excellent durability and wear resistance provided by Rockwell B70 hardness rating
- Quick and easy installation with external hex drive and coarse UNC threading
- Precise and reliable fit guaranteed by Class 2A thread tolerance for consistent assembly
- Full threading along the 5-1/2" length provides maximum grip and fastening versatility
- Compliance with major industry standards including ASME B18.2.1 for guaranteed quality and interoperability
Professional Applications & Engineering Value
This 1/4"-20 UNC hex head screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and structural integrity are paramount. Manufactured from 316 stainless steel, it provides superior protection against chemical exposure, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and outdoor infrastructure projects. The coarse thread design ensures rapid installation and reduced cross-threading risks in high-vibration environments, while the external hex drive allows for high-torque application with standard tools. With full threading along its substantial 5-1/2" length, it offers maximum engagement for securing heavy components in construction, machinery assembly, and transportation equipment, solving critical fastening challenges where failure is not an option.
Specification Summary & Compliance
This hex head screw features 1/4"-20 UNC coarse threads with Class 2A fit for precise dimensional accuracy and reliable assembly. The product is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both mechanical performance and regulatory compliance for global industrial applications.
