S-91794A123 5-40 x 3/16" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable fastening under mechanical stress and vibration.
• Precise Class 2A thread fit for easy assembly and consistent performance in UNC coarse threading applications.
• Fully threaded design provides maximum grip and load distribution across the entire length.
• Rockwell B55 hardness offers excellent durability and resistance to wear over repeated use.
• Slotted drive with rounded fillister head allows for straightforward installation and a low-profile, secure fit.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 5-40 UNC rounded fillister head screws in 18-8 stainless steel address common challenges like corrosion, mechanical fatigue, and assembly efficiency. The passivated finish enhances surface protection against moisture and chemicals, while the coarse thread and Class 2A fit ensure quick, reliable fastening in materials prone to stripping. Ideal for electronics, machinery, and automotive components, these screws provide a high narrow profile that minimizes space requirements without compromising on 70,000 psi tensile strength, making them a trusted choice for engineers seeking longevity and performance in right-hand thread applications.

Specification Summary & Compliance

This screw features a 5-40 UNC thread size with Class 2A tolerance for precise fit, manufactured to ASME B18.6.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.