S-90272A992 1/2"-13 x 2" 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
• High tensile strength of 60,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
• Class 2A thread fit with UNC coarse threading offers easier assembly and reduced cross-threading risks
• Fully threaded design maximizes grip and load distribution across the entire fastener length
• Phillips No. 4 drive enables efficient installation with standard tools, reducing labor time
• Rounded pan head profile combines low-profile aesthetics with practical seating for various applications

Professional Applications & Engineering Value

Engineered for industrial and heavy-duty applications, this zinc-plated steel screw addresses common challenges like corrosion, vibration loosening, and high-stress fatigue. The 1/2"-13 UNC coarse thread ensures quick assembly in metal framing, machinery, and structural components, while the fully threaded right-hand design provides consistent clamping force. With a Rockwell B70 hardness and 60,000 psi tensile strength, it withstands dynamic loads in construction, automotive, and manufacturing settings, reducing maintenance needs and downtime. The rounded pan head with Phillips drive offers secure fastening without protruding edges, ideal for enclosures and equipment where safety and clean finishes are priorities.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It complies with ASME B18.6.3 for mechanical and dimensional requirements, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) for chemical safety, making it suitable for regulated industries and global supply chains.