S-92210A546 1/4"-20 x 1 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
- Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh environments.
- Superior load-bearing capability from 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Precise, reliable fastening ensured by Class 3A thread fit and UNC coarse thread for quick assembly and vibration resistance.
- Efficient installation and flush finish with a hex drive (5/32”) and standard 82° countersink angle flat head.
- Full threading along the 1-1/2” length provides maximum grip and uniform stress distribution.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH for safety and regulatory peace of mind.
- Durable, long-lasting performance in industrial settings due to robust material and precise manufacturing.
Professional Applications & Engineering Value
This 18-8 stainless steel flat head screw is engineered to address common industrial challenges such as corrosion, high stress, and assembly efficiency. The passivated finish enhances its resistance to oxidation and chemical exposure, making it suitable for machinery, automotive, and outdoor equipment where environmental factors are a concern. With a 1/4"-20 UNC coarse thread and Class 3A fit, it offers quick installation and reliable holding power in materials prone to vibration loosening. The flat head with hex drive allows for a sleek, flush mount while enabling high-torque application, reducing the risk of stripping. Ideal for heavy-duty fastening in construction, metal fabrication, and electronics, this screw delivers consistent performance and reduces maintenance needs in industrial applications.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 3A thread fit and UNC coarse thread with a 1/4"-20 size and 1-1/2" length. It meets ASME B18.3 specifications for flat head screws, ensuring consistent quality and interchangeability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industries without hazardous substances.
