S-91781A159 6-32 x 2" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable performance in demanding mechanical assemblies
• Rockwell B80 hardness provides excellent durability and resistance to wear over time
• Class 2A thread fit with UNC coarse threading allows for easy installation and secure fastening
• 82° countersink angle and flat head design enables flush mounting for a clean, professional finish
• Fully threaded 2" length offers maximum grip and holding power across the entire fastener
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality and environmental safety for regulated industries

Professional Applications & Engineering Value

This 6-32 UNC flat head slotted screw is engineered to address critical challenges in industrial fastening, where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel construction, combined with a passivated finish, significantly extends service life in moist or chemically aggressive settings, reducing maintenance costs and downtime. Its coarse thread spacing and Class 2A fit ensure quick, reliable assembly in applications like machinery, electronics, and automotive components, where vibration resistance and ease of installation are essential. The flat head with standard profile and 82° countersink allows for seamless integration into countersunk holes, providing a smooth surface that minimizes snagging and improves safety. Ideal for heavy-duty fasteners in OEM and MRO contexts, this screw delivers consistent performance backed by ASME B18.6.3 standards, making it a trusted choice for engineers seeking durability and compliance.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances, including Class 2A thread fit and UNC thread standards, ensuring compatibility and ease of use. Manufacturing follows ASME B18.6.3 specifications for consistency and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for various industrial applications.