S-90505A179 6-32 x 3/4" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Reliable fluid and gas sealing up to 1500 psi, preventing leaks in pressurized applications with the integrated Buna-N rubber O-ring.
li>Broad temperature compatibility from -40° to 225° F, ensuring performance stability in both extreme cold and high-heat conditions.
• High mechanical strength with a 70,000 psi tensile strength, providing dependable clamping force and resistance to loosening under vibration.
• Easy installation and precise fit due to the Class 2A thread fit and UNC coarse threading, reducing assembly time and improving joint integrity.
• Flush, secure seating with the undercut flat head and 82° countersink angle, creating a smooth surface finish and preventing head protrusion.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility for international supply chains.

Professional Applications & Engineering Value

This 316 Stainless Steel Flat Head Phillips Screw is engineered to address critical challenges in industrial applications where sealing integrity and material durability are paramount. The Buna-N rubber O-ring provides a robust seal against fluids and gases, making it ideal for pressure-resistant assemblies in machinery, fluid handling systems, and outdoor equipment. The UNC coarse threading and Class 2A fit ensure quick, reliable installation with high resistance to vibrational loosening, while the undercut flat head design allows for a flush finish, reducing snagging risks in dynamic environments. Its corrosion-resistant properties and wide temperature range support long-term performance in demanding conditions, from chemical processing to automotive and marine sectors.

Specification Summary & Compliance

This screw features precise UNC 6-32 coarse threading with a Class 2A thread fit for standardized assembly and dimensional accuracy. It is manufactured to accommodate a maximum hole diameter of 0.152" with an 82° countersink angle. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.