S-90275A249 10-24 x 1 1/4" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel Slotted 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 zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
- Exceptional tensile strength of 60,000 psi provides reliable holding power for demanding applications
- Rockwell B70 hardness rating delivers enhanced durability and resistance to wear during installation and use
- Fully threaded design maximizes grip length and distributes load evenly across the entire fastener
- Standard 82° countersink angle ensures flush mounting and clean aesthetic finish in assembled products
- Class 2A thread fit offers optimal balance between easy assembly and secure fastening performance
- Coarse UNC threading enables quick installation and reduced cross-threading risks in production environments
Professional Applications & Engineering Value
These 10-24 UNC flat head screws provide engineered solutions for industrial applications where reliable fastening and surface-flush mounting are critical. The zinc-plated steel construction offers excellent corrosion protection for machinery, electrical enclosures, and metal fabrication projects. The slotted drive style allows for straightforward installation with standard tools, while the fully threaded design ensures maximum engagement in various material thicknesses. The coarse thread pattern (UNC) combined with Class 2A thread fit delivers efficient assembly in production lines, reducing installation time while maintaining secure connections in vibration-prone environments. These flat head fasteners are particularly valuable in applications requiring smooth surface profiles without protrusions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations for chemical safety. Features standard UNC coarse threading with right-hand direction and 82° countersink angle per industry standards.
