S-92949A084 2-56 x 3/4" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh industrial environments.
• Superior tensile strength of 70,000 psi provides reliable fastening under high-stress conditions, reducing the risk of mechanical failure.
• Precise Class 3A thread fit guarantees tight, secure connections with minimal backlash, enhancing assembly accuracy and vibration resistance.
• Hex drive design (0.050") allows for easy installation and removal with standard tools, improving maintenance efficiency and reducing downtime.
• Fully threaded UNC coarse spacing ensures quick engagement and strong holding power, ideal for rapid assembly in production lines.
• Rounded button head profile offers a low-profile, aesthetically clean finish while minimizing snagging risks in confined spaces.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for global supply chain compatibility.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 2-56 UNC threaded rounded head screw in 18-8 stainless steel addresses common challenges like corrosion, vibration loosening, and assembly speed. The passivated finish enhances surface durability, resisting chemical exposure and extending service life in machinery, electronics, and automotive components. With a coarse thread spacing and fully threaded design, it ensures rapid installation and robust clamping force, reducing labor time in high-volume production. The hex drive facilitates secure torque application, preventing strip-out and maintaining integrity in critical assemblies. Ideal for industrial screws requiring high tensile strength and regulatory compliance, it delivers consistent performance in OEM and MRO settings.

Specification Summary & Compliance

This screw features precise Class 3A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. Manufactured in accordance with ASME B18.3 specifications, it guarantees consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use in global markets.