S-92480A537 1/4"-20 x 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 with brass material, ideal for humid or corrosive industrial environments
- Precise flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- High mechanical strength with 50,000 psi tensile strength and Rockwell B50 hardness for reliable load-bearing performance
- Effortless installation with Phillips No. 3 drive style providing secure tool engagement and reduced cam-out risk
- Consistent thread engagement with Class 2A UNC coarse threads ensuring reliable fastening in various materials
- Full thread coverage along the 1/2" length for maximum grip and distribution of clamping force
- Regulatory compliance meeting ASME B18.6.3 standards for dimensional accuracy and RoHS/REACH environmental directives
Professional Applications & Engineering Value
These 1/4"-20 UNC brass flat head Phillips screws deliver exceptional value in demanding industrial applications where corrosion resistance and precise flush mounting are critical. The brass construction prevents rust and galvanic corrosion, making them ideal for electrical enclosures, marine equipment, and plumbing systems. The fully threaded design with coarse UNC threads provides superior holding power in soft materials like wood and plastic, while the 82° countersink angle ensures perfect surface alignment without protrusion. With Phillips No. 3 drive compatibility, installation becomes faster and more secure, reducing assembly time and improving production efficiency in automated manufacturing environments.
Specification Summary & Compliance
Manufactured to exact Class 2A thread fit tolerances with UNC coarse thread profile (1/4"-20 size) ensuring consistent performance across applications. Complies with ASME B18.6.3 dimensional standards for flat head machine screws. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, making them suitable for regulated industries and international markets.
