S-92949A263 10-32 x 3/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance under load.
• Precise, secure fastening ensured by Class 3A thread fit and 10-32 UNF fine threads, minimizing the risk of loosening in vibration-prone applications.
• Efficient installation and removal with a 1/8" hex drive, providing a positive grip and reducing tool slippage.
• Versatile rounded (button) head design offers a low-profile, finished appearance while distributing clamping force effectively.
• Full threading along the 3/8" length allows for maximum adjustment and engagement in a variety of material thicknesses.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety.

Professional Applications & Engineering Value

Engineered for precision, this 10-32 UNF rounded head screw is a cornerstone for assemblies demanding reliability and corrosion resistance. The 18-8 Stainless Steel material, enhanced by a passivated finish, provides excellent defense against oxidation and chemical exposure, making it suitable for electronics enclosures, machinery, and outdoor equipment. The Class 3A thread fit and fine UNF threads deliver superior vibration resistance and a tighter seal compared to coarse threads, critical in aerospace, automotive, and precision instrument manufacturing. The combination of a hex drive and button head allows for high-torque installation in confined spaces without compromising on a sleek, low-profile finish. This screw directly addresses the need for durable, high-strength fasteners that maintain integrity in demanding industrial applications.

Specification Summary & Compliance

This screw features a 10-32 UNF fine thread with a Class 3A fit for high precision. It is manufactured from 18-8 Stainless Steel with a Passivated finish and meets the dimensional requirements of ASME B18.3. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial use.