S-91802A076 2-56 x 3/16" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life
• High tensile strength of 80,000 psi ensures reliable fastening under stress, reducing the risk of mechanical failure
• Class 2A thread fit with UNC coarse spacing provides easy installation and secure hold in various materials
• Oval head with standard profile and 82° countersink angle offers a flush, aesthetically pleasing finish while minimizing snagging
• Full threading and right-hand direction enable consistent engagement and efficient assembly in automated or manual processes
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations
• Rockwell B80 hardness enhances durability and resistance to wear, maintaining performance in repetitive use applications

Professional Applications & Engineering Value

These 2-56 UNC oval head Phillips flat head screws are engineered to address common industrial challenges, such as corrosion-induced degradation and inconsistent fastening in precision assemblies. The passivated 18-8 stainless steel material provides excellent resistance to moisture and chemicals, making them suitable for electronics, automotive, and machinery sectors where reliability is critical. The coarse thread spacing and Class 2A fit ensure quick, secure installation without cross-threading, reducing assembly time and maintenance costs. With an oval head design and 82° countersink angle, they deliver a smooth, low-profile finish that prevents interference in compact spaces, while the fully threaded body maximizes grip strength for long-term stability in dynamic environments.

Specification Summary & Compliance

This product features precise dimensional accuracy with a Class 2A thread fit and UNC coarse thread spacing, manufactured to ASME B18.6.3 specifications for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. Key specifications include a thread size of 2-56, length of 3/16", head diameter of 0.162", and hardness of Rockwell B80, supporting reliable use in industrial fastening applications.