S-91773A076 2-56 x 3/16" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh environments
• High tensile strength (100,000 psi) ensures reliable load-bearing capacity and joint integrity
• Class 2A thread fit provides consistent assembly and reduces cross-threading risks
• Fully threaded UNC coarse spacing enables faster installation and stronger holding power
• Phillips No. 1 drive with rounded head offers secure tool engagement and a smooth, low-profile finish
• Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability
• RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance

Professional Applications & Engineering Value

These 2-56 UNC Rounded Head Phillips Screws in 18-8 Stainless Steel are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The passivated finish enhances surface durability, while the coarse thread spacing and Class 2A fit ensure quick, secure fastening in materials like metal, plastic, and composites. With a Rockwell B100 hardness and fully threaded design, they provide consistent performance in machinery, electronics, and automotive assemblies, reducing maintenance needs and improving product lifespan.

Specification Summary & Compliance

This screw features a 2-56 UNC thread with Class 2A fit and coarse spacing, manufactured to ASME B18.6.3 standards for precise dimensions (e.g., 3/16" length, 0.162" head diameter). It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no restricted substances are used. The 18-8 Stainless Steel material and passivated finish meet industrial requirements for strength and environmental resistance.