S-99926A125 10-24 x 3/4" Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments
• Superior thread engagement and reliability through Class 3A precision thread fit, minimizing loosening in vibration-prone applications
• High tensile strength of 70,000 psi ensures secure fastening under heavy mechanical loads without failure
• Optimized flush mounting with 100° countersink angle and undercut flat head design for smooth surface finishes
• Efficient installation and removal using the 3/32" hex drive, reducing tool slippage and assembly time
• Durable material hardness (Rockwell B70) maintains structural integrity and resists wear during repeated use
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible manufacturing for global supply chains

Professional Applications & Engineering Value

This 10-24 UNC flat head screw is engineered to address critical challenges in industrial assembly, where corrosion resistance and thread precision are paramount. The 18-8 stainless steel construction, combined with a passivated finish, provides robust protection against rust and chemical exposure in demanding sectors like marine, automotive, and electronics. The Class 3A thread fit and coarse thread spacing ensure rapid installation and reliable clamping force, reducing the risk of cross-threading in high-volume production lines. With a partially threaded design and 100° countersink angle, it enables secure, flush mounting in thin materials or precision enclosures, minimizing protrusions and enhancing aesthetic integrity. Ideal for machinery, paneling, and structural frameworks, this screw delivers consistent performance where vibration resistance and long-term durability are non-negotiable.

Specification Summary & Compliance

This fastener adheres to UNC thread standards with a Class 3A thread fit for tight dimensional accuracy and superior thread engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industries. Manufacturing specifications include a 3/4" length, 0.19" thread diameter, and 0.63" minimum thread length, providing consistent performance across applications.