S-93190A193 5/16"-18 x 1 1/8" 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 with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
- External hex drive design provides secure, non-slip engagement with standard tools for quick installation and removal.
- Fully threaded UNC coarse spacing delivers faster assembly and enhanced grip in a wide range of materials.
- Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes, reducing cross-threading risks.
- Compliance with ASME B18.2.1 standards ensures dimensional accuracy and interchangeability for professional engineering projects.
- RoHS 3 compliance supports environmental safety and regulatory requirements in global industrial markets.
Professional Applications & Engineering Value
This 316 stainless steel hex head screw is engineered to address critical challenges in demanding sectors such as marine equipment, chemical processing, and outdoor infrastructure. Its high corrosion resistance prevents degradation from moisture, chemicals, and salt exposure, extending service life and reducing maintenance costs. The UNC coarse thread and fully threaded design enable rapid installation and robust holding power in soft or brittle substrates, minimizing assembly time and improving structural integrity. With an external hex drive, it offers superior torque transmission, making it a reliable choice for applications requiring frequent disassembly or high-vibration environments. Ideal for industrial fastening in machinery, construction, and transportation, this screw delivers consistent performance where durability and regulatory compliance are paramount.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with Class 2A fit for standard tolerance and easy mating. It adheres to ASME B18.2.1 dimensional specifications, ensuring precise thread form and head geometry. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, supporting safe and sustainable use in industrial applications.