S-92800A375 5/16"-18 x 3 1/4" 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 from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and prevents mechanical failure.
- Rockwell B70 hardness provides superior durability and resistance to wear, extending the fastener's service life.
- Class 2A thread fit with UNC coarse threading allows for easy, quick assembly and reduces cross-threading risks.
- Fully threaded design offers maximum grip and uniform clamping force across the entire 3 1/4" length.
- External hex drive and 1/2" head width enable secure, high-torque installation with standard tools.
- Compliance with RoHS 3 and REACH standards ensures environmental safety and meets global regulatory requirements.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw is engineered to address critical challenges in demanding industrial settings. The 18-8 stainless steel material delivers outstanding corrosion resistance, making it suitable for applications exposed to moisture, chemicals, and extreme temperatures. Its coarse thread and Class 2A fit facilitate rapid installation in metal, wood, and composite materials, reducing assembly time and labor costs. With an 80,000 PSI tensile strength and Rockwell B70 hardness, it provides reliable performance in structural frameworks, machinery, and heavy equipment where vibration and dynamic loads are common. The fully threaded design ensures consistent clamping force, preventing loosening and maintaining joint integrity in industrial fastening applications.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured in the inch system, it features a right-hand thread direction and external hex drive for standardized tool compatibility.
