S-92480A859 1/2"-13 x 1 1/2" ASME B18.6.3 Brass Phillips Flat Head Screws
Brass Phillips 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 environments and outdoor applications
- Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B50 hardness for reliable performance in demanding assemblies
- Optimized drive engagement through Phillips No. 4 drive design, preventing cam-out and ensuring efficient installation
- Precision thread compatibility with Class 2A UNC coarse threads providing secure fastening and vibration resistance
- Flush mounting capability with standard 82° countersink angle flat head profile for smooth surface finishes
- Full threading coverage across the entire 1½" length maximizes grip strength and load distribution
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global market acceptance
Professional Applications & Engineering Value
These brass flat head screws with 1/2"-13 UNC coarse threading deliver critical advantages in electrical enclosures, marine hardware, and plumbing systems where corrosion resistance is paramount. The fully threaded design ensures maximum engagement in soft materials and thin sheet metal applications, while the 82° countersink angle provides secure seating without protrusion. The Phillips drive system offers familiar, tool-friendly installation for maintenance crews, and the Class 2A thread fit maintains consistent engagement across production runs. Engineered for industrial brass fasteners requiring both aesthetic appeal and functional durability, these screws eliminate galvanic corrosion concerns when mating with dissimilar metals in complex assemblies.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread tolerances for consistent fit and performance. The UNC coarse thread pattern with right-hand direction ensures compatibility with standard components. Compliance includes RoHS 3 (2015/863/EU) with exemption 6(a)-I for lead as alloying element and full REACH (EC 1907/2006) adherence. Mechanical properties verified at 50,000 psi tensile strength and Rockwell B50 hardness for guaranteed performance in heavy-duty applications.
