S-90604A305 2-56 x 3/8" ASME B18.6.3 Stainless Steel Pan Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High tensile strength of 100,000 psi ensures reliable, long-lasting fastening in demanding applications
• Class 2A thread fit provides consistent, smooth installation while maintaining secure connections
• Dual Phillips/Slotted drive compatibility offers installation flexibility with standard tools
• Fully threaded design maximizes grip length and load distribution across the entire fastener
• Rockwell B100 hardness delivers excellent durability and resistance to wear during installation and use
• Rounded pan head profile combines low-profile appearance with effective clamping surface

Professional Applications & Engineering Value

These 2-56 UNC rounded pan head machine screws provide engineering solutions where corrosion resistance and high tensile strength are critical. The 18-8 stainless steel composition with passivated finish prevents rust and chemical degradation in manufacturing, electronics, and marine applications. The coarse UNC thread with Class 2A fit ensures quick, reliable installation while minimizing cross-threading risks. The combination of fully threaded design and dual drive compatibility makes these screws ideal for assembly lines requiring efficient, versatile fastening solutions that maintain integrity under vibration and load stress.

Specification Summary & Compliance

This machine screw features precision 2-56 UNC coarse threads with Class 2A tolerance for consistent fit. Manufactured to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict material safety standards.