S-92245A855 3/4"-10 x 2 1/2" FF-S-85, MS35307-489 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
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and stress
- External hex drive design provides secure, non-slip engagement with standard tools for efficient installation
- Class 2A thread fit with UNC coarse threading delivers consistent engagement and vibration resistance
- Partially threaded shank allows for precise clamping force control in assembled components
- Compliance with Fed. Spec. FF-S-85 (MS35307-489) guarantees consistent quality and dimensional accuracy
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw is engineered to address critical industrial fastening challenges where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel material provides exceptional durability against moisture, chemicals, and oxidation, making it suitable for marine, chemical processing, and outdoor infrastructure applications. The external hex drive and coarse UNC threading ensure quick, secure installation with reduced risk of stripping, while the partially threaded design concentrates clamping force precisely where needed. Ideal for heavy machinery, structural assemblies, and equipment requiring reliable, long-term fastening solutions, this screw minimizes maintenance downtime and enhances operational safety in demanding environments.
Specification Summary & Compliance
This hex head screw features a 3/4"-10 UNC coarse thread with Class 2A fit for consistent dimensional accuracy and secure mating. It meets Fed. Spec. FF-S-85 (MS35307-489) for manufacturing standards, ensuring reliable performance in critical applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for industrial use.
