S-92245A805 5/8"-11 x 1 1/2" FF-S-85, MS35307-462 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 from passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 70,000 psi provides reliable load-bearing capacity for heavy-duty applications
- Optimized thread engagement with Class 2A UNC coarse threads ensures faster assembly and vibration resistance
- Full threading design maximizes grip length and distribution of clamping force across the entire fastener
- External hex drive compatibility allows for high-torque installation using standard industrial tools
- Consistent performance backed by Rockwell B74 hardness rating for durability under repeated stress
- Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 5/8"-11 UNC hex head screws deliver critical reliability where failure is not an option. The passivated 18-8 stainless steel construction combats corrosion in chemical, marine, and outdoor applications, while the coarse thread design resists loosening under vibration in machinery and structural assemblies. With full threading and 70,000 psi tensile strength, these fasteners provide uniform stress distribution and superior clamping force in heavy equipment, construction frameworks, and transportation systems. The external hex drive facilitates quick installation and removal with common tools, reducing labor time in maintenance and production lines.
Specification Summary & Compliance
This heavy-duty hex head screw features precision Class 2A thread fit with UNC coarse threading (5/8"-11) and complies with Fed. Spec. FF-S-85 (MS35307-462) manufacturing standards. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. Dimensions include 1-1/2" length, 15/16" head width, and full threading for consistent performance across applications.
