S-91781A410 00-90 x 1/8" ASME B18.11, ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• High tensile strength of 80,000 psi ensures reliable load-bearing capacity and joint integrity
• Precise Class 2A thread fit guarantees smooth assembly and consistent performance in fine-thread applications
• Fully threaded design provides maximum grip and uniform stress distribution along the entire length
• Standard 82° countersink angle allows for flush mounting, reducing snagging and improving aesthetics
• Slotted drive compatibility offers straightforward installation with common hand tools
• Compliance with ASME B18.11, RoHS 3, and REACH ensures regulatory adherence for global industrial use

Professional Applications & Engineering Value

This 00-90 flat head slotted screw in 18-8 stainless steel addresses critical needs in precision assemblies where space is limited and corrosion resistance is paramount. The passivated finish enhances durability against oxidation and chemical exposure, making it suitable for electronics, instrumentation, and medical devices. Its fine thread and Class 2A fit provide secure fastening in thin materials, reducing the risk of stripping. The fully threaded body ensures even load distribution, while the flat head design allows for seamless integration into countersunk holes, minimizing protrusion in compact industrial setups.

Specification Summary & Compliance

This screw features a 00-90 thread size with UNS thread type, right-hand direction, and Class 2A thread fit for precise dimensional accuracy. It meets ASME B18.11 manufacturing standards, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe usage in various industrial sectors.