S-91772A097 3-48 x 5/8" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable fastening under heavy loads and vibration.
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
• Coarse UNC threads and Class 2A fit enable quick, secure installation and reduce cross-threading risks.
• Fully threaded design offers maximum grip and uniform stress distribution along the entire length.
• Pan head with No. 1 Phillips drive allows for easy, flush mounting and efficient torque application.
• Compliance with ASME B18.6.3, RoHS, and REACH guarantees quality, safety, and environmental standards.

Professional Applications & Engineering Value

These 3-48 UNC rounded pan head Phillips screws are engineered to address common industrial challenges such as corrosion, mechanical stress, and assembly efficiency. Made from passivated 18-8 stainless steel, they resist rust and chemical exposure, making them suitable for applications in machinery, electronics, and outdoor equipment. The coarse thread and Class 2A fit ensure rapid, precise fastening, reducing installation time and minimizing thread damage. With a fully threaded right-hand design and high tensile strength, these screws provide consistent clamping force and reliability in dynamic environments, supporting long-term performance and reducing maintenance needs.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit and UNC coarse thread standards for dimensional accuracy. It meets ASME B18.6.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.