S-92805A195 8-32 x 5/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Stainless Steel Thread-Locking Hex Drive Flat Head Screws
Stainless Steel Thread-Locking Hex Drive Flat 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 18-8 stainless steel construction for long-lasting performance in harsh environments
- Exceptional vibration resistance through nylon patch thread locker that maintains secure fastening from -65° to 250° F
- High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Precise thread engagement with Class 3A fit and UNC coarse threads ensuring consistent, reliable installation
- Optimized drive efficiency through hex drive design providing superior torque transmission and reduced cam-out
- Flush mounting capability with standard 82° countersink angle for smooth surface finishes
- Full regulatory compliance meeting ASME, ASTM, and military specifications plus RoHS 3/REACH environmental standards
Professional Applications & Engineering Value
This 8-32 UNC flat head screw delivers exceptional engineering value across industrial applications where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides excellent durability in challenging environments, while the nylon patch thread locker ensures secure fastening in high-vibration machinery, automotive assemblies, and electronic enclosures. The hex drive design allows for higher torque application compared to traditional drive styles, reducing installation time and preventing fastener damage. With Class 3A thread fit precision and coarse threading, these screws offer reliable performance in materials where fine threads might strip or fail, making them ideal for production lines requiring consistent, repeatable fastening solutions.
Specification Summary & Compliance
This fastener features precision Class 3A thread fit with 8-32 UNC coarse threads and full threading along the 5/8" length. Manufacturing complies with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions.
