S-91781A330 0000-160 x 1/8" ASME B18.11, ASME B18.6.3 Stainless Steel Slotted 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 holding power from the 80,000 psi tensile strength, ensuring reliable, long-term fastening integrity.
• Precise, flush installation enabled by the standard 82° countersink angle and flat head design for a smooth, professional finish.
• Optimized for fine adjustments with the 0000-160 fine thread and Class 2A fit, providing excellent engagement in delicate assemblies.
• Broad compatibility and reliability through compliance with ASME B18.11, RoHS 3, and REACH standards for quality assurance.
• Efficient manual installation and removal with the slotted drive style, offering straightforward tooling for maintenance.
• Maximum thread engagement due to the fully threaded design, enhancing grip strength across the entire fastener length.

Professional Applications & Engineering Value

This flat head slotted screw is engineered to address critical needs in precision assemblies where space is limited and corrosion resistance is paramount. The 18-8 stainless steel material combined with a passivated finish provides excellent protection against oxidation and chemical exposure, making it ideal for electronics, medical devices, and instrumentation. The fine 0000-160 thread and Class 2A thread fit ensure tight tolerances and secure fastening in thin materials, reducing the risk of stripping. Its fully threaded design and 82° countersink angle allow for a flush mount, minimizing protrusions in compact applications. By meeting ASME B18.11 specifications, these screws deliver consistent performance in demanding industrial and precision engineering environments, enhancing product durability and reliability.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNS thread type and right-hand thread direction, ensuring precise dimensional accuracy. It complies with ASME B18.11 manufacturing standards for consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for global industrial use.