S-90910A823 8-32 x 5/8" ASME B18.3, ASTM F835 Steel Button Head Torx Plus Screws

Key Features & Benefits at a Glance

• Superior torque transmission with Torx Plus IP15 drive, reducing cam-out and tool wear for efficient assembly
• Enhanced corrosion resistance from zinc plating, extending service life in demanding industrial environments
• High tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibrations
• Precise Class 3A thread fit for secure fastening and reduced risk of cross-threading in critical applications
• Rockwell C39 hardness provides excellent wear resistance and durability for repeated use
• Low-profile rounded button head offers a smooth finish while minimizing protrusion in confined spaces
• Full threading allows consistent grip along the entire length for uniform clamping force

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated alloy steel rounded head screws are engineered to address common industrial challenges such as vibration loosening and corrosion. The Torx Plus IP15 drive ensures maximum torque transfer with minimal slippage, ideal for automated assembly lines where precision is critical. With a coarse thread spacing and Class 3A fit, they provide quick installation and reliable holding power in machinery, electronics, and automotive components. The zinc-plated alloy steel construction combats environmental exposure, while the fully threaded design and high tensile strength make them suitable for structural applications requiring consistent load distribution and long-term reliability.

Specification Summary & Compliance

These screws feature 8-32 UNC coarse threads with a Class 3A thread fit for precise dimensional accuracy. They are manufactured in compliance with ASME B18.3 standards and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.