S-90909A515 8-32 x 3/8" Stainless Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening
• Enhanced stability and load distribution through the integrated flange design, reducing the risk of material damage
• Precise, secure installation with Class 3A thread fit and coarse UNC threading, ensuring tight, vibration-resistant connections
• Efficient assembly with standard tools using the 3/32" hex drive, compatible with common industrial equipment
• Wide button head profile provides a low-profile, aesthetically clean finish while improving grip surface
• Full compliance with environmental regulations including RoHS 3 and REACH, meeting global industrial standards

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 8-32 UNC 3/8" rounded head screw addresses critical challenges in machinery assembly, electrical enclosures, and marine applications. The 316 Stainless Steel material, combined with a passivated finish, offers outstanding resistance to chemicals, saltwater, and oxidation, prolonging service life in corrosive environments. Its flanged design eliminates the need for separate washers, distributing clamping force evenly to prevent surface damage and maintain joint integrity under dynamic loads. The coarse UNC threads and Class 3A fit ensure rapid, reliable installation with minimal cross-threading risk, while the hex drive allows for high-torque application without slippage. Ideal for OEM and MRO uses, this screw provides a robust, compliant fastening solution that reduces maintenance and replacement costs.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including UNC coarse threads with Class 3A fit for tight tolerance and consistent performance. Manufacturing follows industry-recognized specifications for 316 Stainless Steel and passivated surface treatment. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for global industrial applications.