S-92245A606 5/16"-24 x 1 1/2" FF-S-85, MS35308-338 Mil. Spec. 18-8 Stainless Steel Hex Head Screws
Mil. Spec. 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 passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 70,000 PSI ensures secure fastening under heavy loads, reducing the risk of mechanical failure.
- Precise Class 2A thread fit provides smooth assembly and consistent clamping force, minimizing cross-threading and rework.
- Durable Rockwell B74 hardness offers excellent wear resistance, maintaining thread integrity through repeated use.
- External hex drive design allows for easy installation and removal with standard tools, improving maintenance efficiency.
- Compliance with Fed. Spec. FF-S-85 (MS35308-338) guarantees adherence to strict industrial standards for quality and performance.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance in global markets.
Professional Applications & Engineering Value
This 5/16"-24 UNF hex head screw is engineered for demanding industrial applications where corrosion resistance and mechanical strength are critical. The passivated 18-8 stainless steel material effectively combats oxidation and chemical exposure, making it suitable for marine, chemical processing, and outdoor equipment. Its fine thread spacing and Class 2A thread fit ensure vibration resistance and secure fastening in dynamic environments, reducing maintenance downtime. The partially threaded design allows for precise clamping in assemblies, preventing over-tightening and material damage. Ideal for machinery, automotive, and structural frameworks, this screw delivers reliable performance under high-stress conditions, backed by rigorous standards compliance.
Specification Summary & Compliance
This fastener features a 5/16"-24 UNF thread size with Class 2A thread fit for precise dimensional accuracy, ensuring compatibility with standard components. It meets Fed. Spec. FF-S-85 (MS35308-338) for quality assurance, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for environmentally conscious industries.
