S-92805A541 1/4"-20 x 7/8" 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
- Vibration-resistant locking with permanent nylon patch that maintains secure fastening in high-stress environments
- Superior corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
- High-strength performance with 70,000 psi tensile strength for demanding industrial applications
- Wide temperature tolerance from -65° to 250°F for stable performance across diverse operating conditions
- Precision thread engagement with Class 3A UNC coarse threads ensuring reliable installation and superior holding power
- Optimal flush mounting with 82° countersink angle and flat head design for smooth surface finishes
- Secure hex drive installation using standard 5/32" tools for consistent torque application and reduced stripping risk
Professional Applications & Engineering Value
This nylon patch locking flat head screw addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and electronic enclosures. The 18-8 stainless steel core provides exceptional corrosion resistance, while the passivated finish enhances durability in harsh environments. The Class 3A UNC coarse threads deliver superior engagement in both metallic and composite materials, reducing installation time and improving joint integrity. The combination of 70,000 psi tensile strength and fully threaded design ensures maximum load distribution, making these industrial fasteners ideal for applications requiring reliable performance under dynamic loads and temperature fluctuations.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit and UNC coarse threading (1/4"-20), this fastener features an 82° countersink angle and fully threaded 7/8" length. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Manufacturing processes adhere to industry standards for 18-8 stainless steel fasteners with specified hardness of Rockwell B55 and mechanical properties verified through quality control protocols.
