S-96640A346 8-32 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
• High tensile strength of 80,000 psi provides exceptional load-bearing capacity and resistance to mechanical stress.
• Rockwell B80 hardness offers excellent durability and wear resistance, reducing the need for frequent replacements.
• Fully threaded coarse UNC spacing enables faster installation and secure fastening in various materials.
• Standard 100° countersink angle and flat head profile allow for flush mounting, minimizing protrusion and improving safety.
• Class 2A thread fit ensures consistent, reliable engagement with standard nuts and threaded holes.
• Phillips No. 2 drive facilitates easy installation with common tools, enhancing workflow efficiency.

Professional Applications & Engineering Value

This 8-32 UNC flat head screw is engineered to address common industrial challenges such as vibration loosening and corrosion. The Black-Oxide 18-8 Stainless Steel material provides enhanced oxidation resistance, making it ideal for applications in machinery, electronics, and outdoor equipment where moisture or chemicals are present. The coarse thread spacing and fully threaded design ensure rapid assembly and strong holding power in soft metals or plastics, reducing installation time and improving joint integrity. With its right-hand thread and standard flat head profile, it offers reliable performance in countersunk holes, maintaining a low profile for streamlined designs. These features make it a trusted choice for engineers seeking durable, compliant fasteners for demanding industrial applications.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse thread specifications, ensuring compatibility with standard components. It is manufactured in compliance with ASME B18.6.3 for consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in restricted substance-sensitive environments.