S-93075A293 12-24 x 5/8" ASME B18.6.3 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – With 60,000 psi tensile strength, this screw provides reliable holding power for demanding industrial applications, reducing the risk of fastener failure.
• Superior Corrosion Resistance – The zinc plated finish offers enhanced protection against rust and environmental elements, extending service life in harsh conditions.
• Optimized Thread Design – Fully threaded UNC coarse spacing ensures quick installation and strong grip in a variety of materials, improving assembly efficiency.
• Precise Thread Fit – Class 2A thread fit guarantees consistent engagement and ease of assembly, minimizing cross-threading and rework.
• High Material Hardness – Rockwell B69 hardness provides excellent wear resistance and durability, maintaining performance under repeated stress.
• Standard Compliance – Meets ASME B18.6.3 specifications, ensuring interchangeability and reliability in professional fastening systems.
• Environmental Safety – RoHS 3 and REACH compliance confirms the screw is free from hazardous substances, supporting sustainable manufacturing practices.

Professional Applications & Engineering Value

This 12-24 UNC hex head screw is engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The steel material with zinc plated finish provides a robust barrier against moisture and chemicals, making it ideal for outdoor equipment, machinery assemblies, and automotive components. Its external hex drive and coarse thread design allow for high torque application and rapid installation in soft or brittle materials, reducing assembly time and labor costs. By combining high tensile strength with precise Class 2A thread fit, it ensures secure connections in critical applications, from structural frameworks to heavy-duty manufacturing systems, delivering long-term reliability and reduced maintenance needs.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances and UNC coarse thread standards, ensuring dimensional accuracy and compatibility. It is manufactured in compliance with ASME B18.6.3 specifications and meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its suitability for global industrial use without hazardous substances.