S-92451A593 5/16"-18 x 2 1/2" 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 from high-quality brass construction, ideal for harsh industrial environments
- Excellent electrical conductivity making these screws perfect for electrical assemblies and grounding applications
- Reliable fastening performance with 50,000 psi tensile strength and Rockwell B50 hardness for durable connections
- Easy installation and removal thanks to the standard slotted drive and right-hand coarse UNC threading
- Secure flush mounting achieved through the 82° countersink angle and standard flat head profile
- Consistent thread engagement ensured by Class 2A thread fit for precision assembly operations
- Partial threading design provides optimal grip strength while reducing material usage and weight
Professional Applications & Engineering Value
These brass flat head screws with 5/16"-18 UNC coarse threading deliver exceptional value in demanding industrial settings where corrosion resistance and electrical properties are critical. The high-strength brass composition withstands environmental exposure while maintaining 50,000 psi tensile strength, making them ideal for electrical enclosures, marine hardware, and plumbing systems. The 82° countersink angle ensures flush mounting in precision applications, while the partial threading provides maximum holding power without unnecessary thread length. These slotted flat head screws are engineered to solve common fastening challenges in corrosive environments where steel fasteners would deteriorate, offering long-term reliability and reduced maintenance costs.
Specification Summary & Compliance
This 2 1/2" length flat head screw features Class 2A thread fit precision and UNC coarse thread specifications with 5/16"-18 threading and partial threading up to 1 1/2" minimum. Manufactured in compliance with ASME B18.6.3 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility in industrial applications.
