S-90273A624 3/8"-16 x 1" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
• Class 2A thread fit provides consistent assembly performance and reduces cross-threading risks
• Standard 82° countersink angle enables flush mounting for clean, professional finishes
• Fully threaded design maximizes grip length and load distribution across connected materials
• Phillips No. 4 drive offers efficient installation with common industrial tools
• Coarse UNC threading delivers rapid assembly and superior vibration resistance

Professional Applications & Engineering Value

These zinc-plated steel flat head screws address critical industrial fastening challenges where corrosion resistance and structural integrity are paramount. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures dependable performance in machinery assembly, electrical enclosures, and structural frameworks. The fully threaded 3/8"-16 UNC design with standard 82° countersink provides secure, flush mounting that eliminates protrusions in precision applications. Engineered for industrial screws requirements, these right-hand thread fasteners maintain consistent clamping force while the coarse thread spacing resists loosening under vibration, making them ideal for manufacturing equipment, automotive components, and heavy-duty construction applications.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision assembly. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features UNC coarse threads with right-hand direction and standard 82° countersink angle in inch system measurements.