S-92240A595 5/16"-18 x 3" ASME B18.2.1 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 with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and demanding applications.
- Class 2A thread fit provides consistent, easy assembly and disassembly while maintaining secure fastening.
- Coarse UNC thread design offers faster installation and superior performance in softer materials or where debris is present.
- External hex drive and hex head allow for high-torque application with standard tools, simplifying maintenance.
- Full threading along the 3-inch length provides maximum grip and adjustability across the entire fastener.
- Rockwell B70 hardness delivers excellent wear resistance and durability, reducing the risk of stripping or damage.
Professional Applications & Engineering Value
Engineered for industrial applications requiring robust and reliable fastening, this 5/16"-18 UNC hex head screw addresses common challenges like material fatigue and environmental degradation. The 18-8 stainless steel composition provides superior corrosion resistance, making it suitable for outdoor machinery, marine equipment, and chemical processing plants where moisture and corrosive agents are prevalent. Its coarse thread design ensures quick and secure installation in a variety of substrates, reducing assembly time and improving efficiency. The combination of 80,000 psi tensile strength and Rockwell B70 hardness guarantees that the screw maintains integrity under vibration and heavy loads, preventing failures in critical assemblies. This makes it an ideal choice for construction, automotive, and heavy equipment sectors seeking durable, fully threaded fasteners with consistent performance.
Specification Summary & Compliance
This hex head screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of use. It is manufactured in accordance with ASME B18.2.1 standards, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industries without hazardous substances.
