S-92210A334 1/4"-28 x 3/4" 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 industrial environments.
- High tensile strength of 70,000 PSI ensures reliable, long-lasting fastening under demanding loads.
- Precise Class 3A fine threading provides excellent thread engagement and vibration resistance in critical assemblies.
- Efficient hex drive (5/32") design allows for quick, secure installation with standard tools, reducing assembly time.
- 82° countersink angle and flat head profile enable a flush, professional finish that minimizes protrusion and snagging.
- Full threading along the 3/4" length offers versatile adjustment and consistent holding power across the entire fastener.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to strict industry and environmental standards for safe use.
Professional Applications & Engineering Value
Engineered for precision and durability, these 1/4"-28 UNF flat head screws in 18-8 stainless steel address common industrial challenges like corrosion, vibration loosening, and installation efficiency. The passivated finish enhances surface protection, extending service life in moist or chemical-exposed settings, while the Class 3A fine threading ensures tight tolerances for secure fits in machinery, automotive, and electronics assemblies. The hex drive style simplifies torque application, reducing the risk of stripping and enabling rapid deployment in high-volume production lines. Ideal for applications requiring flush mounting, such as panels and enclosures, these screws deliver consistent performance backed by 70,000 PSI tensile strength and Rockwell B55 hardness, making them a reliable choice for engineers prioritizing safety and longevity.
Specification Summary & Compliance
This product features precise Class 3A thread fit with UNF fine threading (1/4"-28) and adheres to ASME B18.3 manufacturing specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
