S-92245A722 1/2"-13 x 2" FF-S-85, MS35307-415 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
- Exceptional tensile strength rated at 70,000 psi for reliable performance in heavy-duty applications
- Precise Class 2A thread fit ensures smooth installation and secure fastening with reduced cross-threading risk
- External hex drive design provides maximum torque transfer and easy installation with standard tools
- Optimized partial threading allows for superior clamping force distribution in demanding assemblies
- Coarse UNC thread spacing enables quick installation and superior vibration resistance
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw delivers critical engineering advantages where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making it ideal for marine, chemical processing, and outdoor industrial applications. The partially threaded design concentrates clamping force precisely where needed, preventing joint loosening under vibration while the coarse thread spacing ensures rapid installation in production environments. With 70,000 psi tensile strength and Rockwell B74 hardness, this fastener maintains reliability in high-stress assemblies, from heavy machinery to structural frameworks, while meeting stringent Fed. Spec. FF-S-85 (MS35307-415) requirements for consistent quality and performance.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread spacing and right-hand threading. Complies with Fed. Spec. FF-S-85 (MS35307-415) manufacturing standards and maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features include 2" overall length, 1-1/4" minimum thread length, external hex drive with 3/4" head width, and Rockwell B74 hardness rating.
