S-95362A201 5/16"-18 x 1" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-34 Mil. Spec. High-Strength Steel Hex Head Screws
Mil. Spec. High-Strength 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 tensile strength of 150,000 PSI for reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments.
- High hardness rating of Rockwell C33 ensures durability and resistance to wear, maintaining integrity under repeated loads.
- Precise Class 2A thread fit for easy assembly and secure fastening, minimizing cross-threading and improving installation efficiency.
- Full threading along the 1" length provides consistent grip and load distribution, ideal for varied material thicknesses.
- Coarse UNC thread design enables quick installation and removal, saving time in maintenance and assembly operations.
- Compliance with major standards like ASME B18.2.1 and SAE J429 ensures interoperability and reliability in regulated industries.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, construction, and automotive applications. The steel material combined with a zinc yellow-chromate finish offers robust protection against corrosion, reducing downtime and maintenance costs. Its external hex drive and coarse UNC threads facilitate swift installation with standard tools, while the high tensile strength and Rockwell C33 hardness prevent stripping and deformation under extreme loads. By meeting ASME B18.2.1 and other specifications, it provides a dependable solution for projects demanding precision and longevity, ensuring safety and efficiency in demanding environments.
Specification Summary & Compliance
This fastener features a 5/16"-18 UNC thread with Class 2A fit for dimensional accuracy, and it is fully threaded over a 1" length. It complies with ASME B18.2.1, SAE J429, and ASTM A354BD standards, and is REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations without hazardous substances.
