S-90665A128 10-24 x 3/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance provided by the zinc-plated alloy steel material, extending service life and maintaining integrity in harsh industrial environments.
• Precise Class 3A thread fit guarantees tight, secure connections with minimal backlash, ideal for assemblies requiring high accuracy and vibration resistance.
• Low-profile socket head design with a hex drive allows for easy installation in confined spaces while providing a sleek, flush finish.
• High hardness rating of Rockwell C39 enhances wear resistance, ensuring the screw maintains its form and function through repeated use.
• Full threading along the 3/4" length offers versatile fastening options, enabling strong engagement across various material thicknesses.
• Compliance with ASTM A574 and environmental standards like RoHS 3 and REACH ensures product reliability and safety for global industrial use.

Professional Applications & Engineering Value

This 10-24 UNC socket head cap screw is engineered to address common industrial challenges such as vibration loosening and corrosion in machinery assemblies. Constructed from zinc-plated alloy steel, it provides a durable barrier against moisture and chemicals, making it suitable for automotive, aerospace, and heavy equipment applications. The coarse thread and Class 3A fit ensure quick, secure installations with high clamp force, reducing assembly time and maintenance needs. Its low-profile head and hex drive facilitate access in tight spaces, while the fully threaded design allows for adjustable fastening depth. Ideal for high-stress environments, this screw delivers consistent performance, backed by rigorous standards to meet the demands of professional engineering projects.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a Class 3A thread fit per UNC standards, ensuring accurate and reliable fastening. It meets ASTM A574 specifications for high-strength socket head cap screws, with a thread size of 10-24 and length of 3/4". Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting safe and sustainable industrial use.