S-90272A094 3-48 x 3/8" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
• Enhanced durability from Rockwell B70 hardness, resisting deformation under load for reliable performance
• Efficient installation with Phillips No. 1 drive, providing secure torque transfer and reducing cam-out risks
• Optimal thread engagement through fully threaded UNC coarse design, ensuring strong holding power in various materials
• Precise fit and interchangeability with Class 2A thread tolerance, facilitating smooth assembly in industrial applications
• Broad compatibility meeting ASME B18.6.3 specifications, guaranteeing consistency with standard components
• Environmental compliance adhering to RoHS 3 and REACH regulations, supporting sustainable manufacturing practices

Professional Applications & Engineering Value

These 3-48 UNC zinc-plated steel rounded head screws deliver exceptional engineering value by addressing common industrial fastening challenges. The zinc plating provides a protective barrier against oxidation and chemical exposure, crucial for equipment in humid or corrosive settings. With a fully threaded coarse UNC design and Class 2A fit, they ensure rapid installation and secure clamping in metal, plastic, and composite assemblies, minimizing loosening from vibration. The pan head profile offers a low-profile yet robust bearing surface, distributing stress effectively while the Phillips No. 1 drive enables efficient manual or automated driving. Ideal for machinery, electronics, and automotive subsystems, these screws combine high-strength performance with regulatory compliance to meet rigorous B2B demands.

Specification Summary & Compliance

This product features a 3-48 UNC coarse thread with Class 2A dimensional tolerance for consistent fit and function. Manufacturing adheres to ASME B18.6.3 standards, ensuring uniformity with industry-accepted specifications. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting environmentally responsible sourcing and usage.