S-92210A455 5/8"-18 x 1" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel 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 and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Precision thread engagement with Class 3A fit ensuring reliable, vibration-resistant connections in critical assemblies
- Optimized flush mounting featuring standard 82° countersink angle for seamless surface integration
- Enhanced installation efficiency with 3/8" hex drive providing superior torque transmission
- Full-threaded design maximizing grip length and load distribution across the entire fastener
- Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations (RoHS 3, REACH)
Professional Applications & Engineering Value
These 5/8"-18 UNF flat head screws with Class 3A thread fit provide engineering solutions for demanding applications where precision and reliability are paramount. The combination of 18-8 stainless steel material and passivated surface treatment creates a robust barrier against chemical exposure and atmospheric corrosion, extending service life in manufacturing equipment, marine hardware, and food processing machinery. The fine thread spacing and right-hand thread direction deliver superior clamping force in thin materials and high-vibration environments. With fully threaded construction and 82° countersink angle, these fasteners ensure uniform stress distribution and flush surface mounting for aerodynamic and aesthetic requirements in automotive, aerospace, and structural assemblies.
Specification Summary & Compliance
Manufactured to inch system measurements with Class 3A thread fit precision per UNF standards. Complies with ASME B18.3 dimensional specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Thread specifications include 5/8"-18 UNF fine thread with right-hand direction, 1" length, and 3/8" hex drive configuration.
