S-92245A713 1/2"-13 x 1" FF-S-85, MS35307-409 Mil. Spec. 18-8 Stainless Steel Hex Head Screws
Mil. Spec. 18-8 Stainless Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 70,000 psi ensures reliable performance under high-stress applications
- Class 2A thread fit provides consistent assembly with standard UNC nuts and threaded components
- Full threading design maximizes grip length and distributes load evenly across the entire fastener
- External hex drive enables high-torque installation with common tools while preventing cam-out
- Coarse UNC thread pattern facilitates quick assembly and reduces cross-threading risks
- Comprehensive compliance with Fed. Spec. FF-S-85, RoHS 3, and REACH ensures regulatory acceptance
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 1/2"-13 UNC hex head screws deliver critical performance advantages through their passivated 18-8 stainless steel composition and precision manufacturing. The combination of 70,000 psi tensile strength and Rockwell B74 hardness provides exceptional resistance to mechanical stress and deformation, while the corrosion-resistant surface treatment ensures long-term reliability in moisture-prone environments. The fully threaded coarse UNC design offers superior holding power in structural assemblies, machinery frames, and heavy equipment where vibration resistance is paramount. These industrial hex screws maintain dimensional stability across temperature variations, making them ideal for OEM manufacturing, construction projects, and maintenance operations requiring dependable Class 2A thread fit compatibility.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw features precision Class 2A thread fit tolerances with coarse thread spacing and right-hand thread direction. Manufactured to exacting standards including Fed. Spec. FF-S-85 (MS35307-409) for dimensional consistency and mechanical properties. Compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and global market acceptance.
