S-92210A458 5/8"-18 x 2" 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 tensile strength rated at 70,000 psi ensures reliable performance under high-stress applications
- Precision Class 3A thread fit provides secure fastening with minimal backlash in critical assemblies
- High torque capability through 3/8" hex drive design for efficient installation and removal
- Full threading along 2" length offers maximum grip and adjustment flexibility in deep applications
- Consistent hardness at Rockwell B55 maintains structural integrity through repeated use
- Standard 82° countersink angle ensures flush mounting for streamlined surfaces and improved aesthetics
Professional Applications & Engineering Value
These 5/8"-18 UNF flat head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and high tensile strength are paramount. The combination of 18-8 Stainless Steel material with passivated finish provides exceptional protection against chemical exposure and environmental degradation, making them ideal for marine equipment, food processing machinery, and chemical plant applications. The fine thread spacing and Class 3A thread fit ensure vibration resistance and precise alignment in critical assemblies, while the hex drive configuration allows for high-torque installation without slippage. These fully threaded screws maintain consistent Rockwell B55 hardness throughout their service life, preventing deformation under load and ensuring reliable long-term performance in structural applications.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 standards with Class 3A thread fit precision and UNF fine thread specifications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features include 5/8"-18 UNF thread size, 2" length, 82° countersink angle, and right-hand thread direction for standardized installation.
