S-92451A591 5/16"-18 x 2" 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 with brass construction for long-lasting performance in demanding environments
- Excellent tensile strength rated at 50,000 psi for reliable fastening in heavy-duty applications
- Precision Class 2A thread fit ensures smooth installation and secure connections
- 82° countersink angle provides flush mounting for clean, professional finishes
- Rockwell B50 hardness maintains thread integrity and prevents stripping during installation
- Fully threaded design offers maximum grip length and holding power
- Compliance with major standards including ASME B18.6.3 for guaranteed quality and reliability
Professional Applications & Engineering Value
These 5/16"-18 UNC brass flat head screws deliver exceptional engineering value through their right-hand coarse threading and slotted drive style, making them ideal for electrical components, marine hardware, and plumbing systems where corrosion resistance is critical. The fully threaded design ensures maximum engagement in soft materials and thin sheet metal applications, while the standard flat head profile with 82° countersink angle allows for seamless flush mounting in precision assemblies. Manufactured from high-quality brass material, these fasteners prevent galvanic corrosion when used with dissimilar metals and maintain their mechanical properties in various environmental conditions. The combination of 50,000 psi tensile strength and Rockwell B50 hardness provides reliable performance in vibration-prone applications, ensuring long-term fastener integrity without compromising on installation efficiency.
Specification Summary & Compliance
This 2" brass flat head screw features precision 5/16"-18 UNC coarse threads with Class 2A thread fit tolerance for optimal assembly performance. The fastener meets ASME B18.6.3 manufacturing specifications for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring safe use in regulated industries and international markets.
