S-90909A519 10-24 x 3/4" Stainless Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments like marine or chemical processing
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration, reducing failure risks
• Precise Class 3A thread fit provides tighter tolerances for secure fastening and improved assembly consistency
• Flanged button head design with wide profile distributes clamping force evenly, minimizing surface damage and simplifying installation
• 1/8" hex drive allows for easy torque application with standard tools, speeding up maintenance and reducing labor time
• Fully threaded UNC coarse spacing enables quick engagement and strong holding power in various materials
• Rockwell B70 hardness offers excellent durability and wear resistance, extending service life in repetitive use

Professional Applications & Engineering Value

This 316 stainless steel rounded head screw is engineered to address critical challenges in demanding industrial settings, such as exposure to corrosive agents, high stress, and frequent disassembly. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, making it suitable for applications in marine equipment, food processing machinery, and chemical plants where moisture and chemicals are prevalent. The flanged button head with a wide profile eliminates the need for separate washers, reducing part count and assembly time while providing a secure, flush fit. Combined with UNC coarse threads and Class 3A thread fit, it ensures rapid installation and reliable performance in materials like metals and plastics, minimizing the risk of stripping and improving overall structural integrity. This screw is ideal for OEMs and maintenance teams seeking a robust, corrosion-resistant fastener that maintains high tensile strength and compliance with industry standards.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 3A thread fit for precise dimensional accuracy, ensuring consistent performance in industrial assemblies. It is manufactured from 316 stainless steel with a passivated finish, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated environments. Key specifications include a thread size of 10-24, length of 3/4", and full threading for uniform load distribution.