S-96660A156 6-32 x 1/2" Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – With 120,000 psi tensile strength, these screws provide reliable fastening for high-stress industrial applications, reducing the risk of failure under load.
• Superior Corrosion Resistance – Zinc-plated alloy steel construction offers enhanced protection against rust and environmental degradation, extending service life in demanding conditions.
• Precise Thread Engagement – UNC coarse threads with Class 3A fit ensure quick installation and secure, vibration-resistant connections, minimizing loosening over time.
• Efficient Hex Drive Design – The 5/64" hex drive allows for high-torque application with standard tools, speeding up assembly while preventing cam-out and tool slippage.
• Integrated Flange for Stability – The flanged, rounded button head distributes clamping force evenly, eliminating the need for separate washers and providing a flush, professional finish.
• Full Threading for Maximum Grip – Fully threaded shank delivers consistent holding power along the entire length, ideal for materials requiring deep engagement.
• Compliance with Environmental Standards – Meets RoHS 3 and REACH regulations, ensuring safe use in regulated industries and global market acceptance.

Professional Applications & Engineering Value

Engineered for demanding environments, these zinc-plated alloy steel rounded head screws address common industrial challenges such as vibration-induced loosening and corrosion. The UNC coarse thread pattern and Class 3A thread fit provide rapid installation and reliable performance in metal assemblies, machinery, and electronic enclosures. The hex drive and flanged design simplify maintenance and disassembly, while the high Rockwell C32 hardness and 120,000 psi tensile strength ensure durability under cyclic loads. Ideal for OEM and MRO applications, these screws deliver consistent holding power and compliance with international standards, reducing downtime and replacement costs.

Specification Summary & Compliance

This product features precise UNC coarse threads with Class 3A tolerance for accurate fit, a 1/2" length, and fully threaded design. Manufactured from zinc-plated alloy steel with a Rockwell C32 hardness, it meets industry standards for mechanical fasteners. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory adherence for global supply chains.