S-93190A581 5/16"-18 x 3/4" 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
- 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
- Secure and easy installation with a standard 1/2" external hex head for common tooling
- Optimized for rapid assembly with coarse UNC thread spacing and full threading for maximum grip
- Precise and reliable fit guaranteed by Class 2A thread tolerances for consistent performance
- Broad industrial compatibility with compliance to major standards including ASME B18.2.1
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw in 316 stainless steel is engineered to solve critical challenges in demanding industrial settings. Its exceptional corrosion resistance makes it ideal for marine, chemical processing, and outdoor applications where moisture and corrosive agents are prevalent. The coarse thread spacing and fully threaded design provide superior holding power and vibration resistance, reducing the risk of loosening in high-stress assemblies. The external hex drive allows for high-torque installation with standard tools, streamlining maintenance and assembly processes. By combining high tensile strength with rigorous compliance, this screw delivers long-term reliability and reduces downtime in heavy-duty mechanical fastening, structural frameworks, and equipment manufacturing.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with Class 2A fit for precise dimensional accuracy and reliable engagement. It is manufactured in accordance with ASME B18.2.1 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it meets the highest standards for safety and sustainability in industrial applications.
