S-90729A213 8-32 x 3/4" Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Enhanced thread engagement and stripping resistance due to Class 3A thread fit and coarse UNC threading
• High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B70 hardness
• Secure, low-profile installation featuring an undercut flat head design and 100° countersink angle for flush mounting
• Reliable drive performance with a 5/64" hex drive, reducing cam-out and tool slippage
• Long-term performance and material integrity ensured by a passivated surface finish
• Global regulatory compliance meeting RoHS 3 and REACH standards for safe, sustainable use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 316 stainless steel flat head screws provide exceptional value in environments where corrosion resistance and mechanical reliability are paramount. The fully threaded 8-32 UNC coarse thread design ensures maximum holding power and vibration resistance in materials like metal, plastic, and composites. The undercut flat head and 100° countersink angle allow for a secure, flush fit, reducing snagging and improving aerodynamics in assembled products. With a passivated finish enhancing the innate corrosion resistance of 316 stainless, these screws are ideal for marine, chemical processing, and food-grade equipment, solving common failure points related to rust, galling, and thread wear.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 3A thread fit for superior thread engagement and a head diameter tolerance of -0.01" to 0". It is manufactured in accordance with UNC coarse thread specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability.