S-90910A480 0-80 x 3/8" ASME B18.3 Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ensuring long-term reliability in harsh environments.
• Enhanced torque transmission and reduced cam-out thanks to the T5 Torx drive, providing secure fastening and minimizing tool slippage.
• Precise thread engagement with Class 3A fit and 0-80 UNF fine thread design, offering excellent vibration resistance and leak-proof sealing.
• High mechanical strength with 60,000 psi tensile strength and Rockwell B55 hardness, supporting heavy-duty applications without failure.
• Low-profile, rounded button head for a sleek finish and reduced snagging, ideal for compact assemblies and aesthetic-sensitive uses.
• Full threading along the 3/8" length allows for maximum adjustability and secure holding across the entire fastener.
• Compliance with industry standards including ASME B18.3, RoHS, and REACH, ensuring safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This 18-8 stainless steel rounded head screw is engineered to address critical challenges in precision assemblies, such as electronics, medical devices, and aerospace components. The 0-80 UNF fine thread and Class 3A fit provide exceptional resistance to loosening under vibration, a common issue in dynamic industrial environments. Combined with a passivated finish, it offers enhanced protection against corrosion and chemical exposure, extending service life in demanding conditions. The T5 Torx drive ensures efficient torque application, reducing the risk of strip-out and improving installation speed in high-volume production. Fully compliant with ASME B18.3 and environmental regulations, this screw delivers reliable performance for applications requiring tight tolerances and durability.

Specification Summary & Compliance

This screw features a 0-80 UNF fine thread with Class 3A thread fit for high precision and tight tolerances. It is manufactured in accordance with ASME B18.3 standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict safety and environmental requirements for industrial use.