S-92245A955 3/8"-24 x 2 1/4" FF-S-85, MS35308-367 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 vibration
- Precise Class 2A thread fit guarantees smooth assembly and secure fastening in critical applications
- External hex drive design provides excellent torque transmission and easy installation with standard tools
- Partially threaded shank allows for controlled clamping force and prevents joint loosening
- Fine UNF thread spacing delivers enhanced holding power in materials prone to stripping
- Full regulatory compliance with RoHS 3 and REACH standards for safe, environmentally responsible usage
Professional Applications & Engineering Value
This 3/8"-24 UNF hex head screw delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical strength are paramount. The passivated 18-8 stainless steel construction provides superior protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment. The fine thread spacing and Class 2A thread fit ensure precise engagement in tapped holes, reducing the risk of cross-threading while maintaining vibration resistance. With its external hex drive and partially threaded design, it offers optimal clamping force control in assembly lines and machinery where consistent preload is critical. These features combine to solve common industrial challenges of fastener failure, corrosion-induced maintenance, and assembly inefficiency.
Specification Summary & Compliance
Manufactured to exact Class 2A thread fit tolerances with UNF thread type and fine thread spacing, ensuring dimensional accuracy per industry standards. Complies with Fed. Spec. FF-S-85 (MS35308-367) for consistent quality and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming hazardous substance-free composition for safe industrial use.
