S-92210A076 2-56 x 3/16" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Superior thread engagement and vibration resistance due to Class 3A thread fit and coarse UNC threading
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress
• Precise flush mounting with standard 82° countersink angle and flat head design
• Easy installation and removal with hex drive (0.050") for secure tool engagement
• Full threading along the 3/16" length provides maximum grip and holding power
• Compliance with ASME B18.3 standards guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

These 2-56 UNC flat head screws are engineered to address critical fastening challenges in demanding applications. The 18-8 stainless steel material combined with a passivated finish offers excellent resistance to oxidation and chemical exposure, making them suitable for electronics, machinery, and outdoor equipment. The Class 3A thread fit and coarse thread spacing ensure quick assembly and reduced cross-threading risks, while the flat head with 82° countersink allows for seamless surface integration. With a tensile strength of 70,000 psi and Rockwell B55 hardness, they provide durable, long-term fastening solutions that withstand vibration and mechanical stress in industrial settings.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, ensuring precise dimensions including Class 3A thread fit, UNC thread type, and 82° countersink angle. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industries. The product features a right-hand thread direction, fully threaded design, and is manufactured to meet strict industrial standards for reliability and performance.