S-92451A583 5/16"-18 x 1" ASME B18.6.3 Brass Slotted Flat Head Screws
Brass 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 thanks to high-quality brass construction, ensuring long-term reliability in humid or corrosive environments
- Exceptional tensile strength of 50,000 psi provides reliable fastening performance for demanding industrial applications
- Precision Class 2A thread fit ensures smooth installation and secure connections without cross-threading issues
- 82° countersink angle with standard flat head profile allows for flush mounting and clean aesthetic finish
- Rockwell B50 hardness rating delivers excellent durability and resistance to wear during repeated use
- Full threading along the 1" length enables maximum grip strength and uniform load distribution
- Compliance with multiple international standards including ASME B18.6.3, RoHS 3, and REACH ensures quality and environmental safety
Professional Applications & Engineering Value
These 5/16"-18 UNC brass flat head screws are engineered to address critical challenges in industrial fastening applications where corrosion resistance and precision threading are paramount. The combination of brass material and UNC coarse threading makes them ideal for electrical components, marine equipment, and plumbing systems where exposure to moisture and chemicals is common. The slotted drive style provides straightforward installation while the 82° countersink angle ensures seamless flush mounting in precision machinery and decorative hardware. With their fully threaded design and Class 2A thread fit, these screws deliver consistent clamping force and vibration resistance, solving common issues of loosening under dynamic loads in manufacturing equipment, automotive assemblies, and architectural fixtures.
Specification Summary & Compliance
These flat head screws maintain Class 2A thread fit tolerance per UNC standards with precise 5/16"-18 coarse threading and 1" length. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet strict international standards for hazardous substance restrictions and chemical safety in industrial applications.
