S-92210A726 1/2"-13 x 3 1/2" 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 with Rockwell B55 hardness for reliable performance under heavy loads
- Precise Class 3A thread fit ensures secure fastening and vibration resistance in critical applications
- Full threading design provides maximum grip length and uniform stress distribution across the entire fastener
- Standard 82° countersink angle allows for flush mounting and clean aesthetic finish in assembled products
- Hex drive compatibility with 5/16" drive size enables high-torque installation and removal with standard tools
- Right-hand coarse UNC threading delivers quick assembly and disassembly while maintaining holding power
Professional Applications & Engineering Value
These 1/2"-13 UNC flat head screws deliver critical engineering advantages where flush mounting and structural integrity are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional resistance to corrosion, oxidation, and chemical exposure in demanding environments including marine applications, food processing equipment, and outdoor structures. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of loosening under vibration while the fully threaded design maximizes load distribution. The hex drive configuration allows for high-torque installation without cam-out issues, making these industrial screws ideal for machinery assembly, structural frameworks, and heavy equipment where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit precision and UNC coarse thread spacing. Features include 1/2"-13 thread size, 3 1/2" length, 82° countersink angle, and right-hand threading. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
