S-92210A018 1-72 x 1/4" 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 environments
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing
- Precise thread engagement with Class 3A fit and fine UNF threads ensuring secure, vibration-resistant fastening
- Efficient installation via 0.050" hex drive and standard 82° countersink angle for flush, streamlined assembly
- Full threading coverage across the 1/4" length maximizes grip and distribution of clamping force
- Regulatory compliance with ASME B18.3, RoHS 3, and REACH standards for safe, industry-approved use
Professional Applications & Engineering Value
These 1-72 UNF flat head screws are engineered to address critical challenges in precision assemblies, such as electronics, aerospace components, and medical devices. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, extending service life in demanding conditions. The fine thread design and Class 3A fit offer superior vibration resistance and minimal backlash, crucial for maintaining alignment in sensitive machinery. With a right-hand thread and fully threaded shank, they ensure consistent torque transmission and ease of installation using standard hex drive tools, reducing assembly time and improving operational efficiency.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit per UNF standards, ensuring tight tolerances and reliable performance. Manufactured in accordance with ASME B18.3 specifications, it meets dimensional and mechanical requirements for industrial use. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility. Key attributes include a 82° countersink angle, 0.050" hex drive size, and 1/4" length in the inch system, providing precision and repeatability in applications.
