S-90273A151 6-32 x 3/4" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
• Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
• Precise Class 2A thread fit enables smooth assembly and consistent performance in UNC coarse thread applications
• 82° countersink angle allows for flush mounting with standard countersunk holes, creating clean finished surfaces
• No. 2 Phillips drive offers secure tool engagement and efficient installation with common industrial drivers
• Full threading along the 3/4" length provides maximum grip and adjustment flexibility in various material thicknesses

Professional Applications & Engineering Value

These zinc-plated steel flat head screws deliver exceptional engineering value across multiple industrial sectors. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses critical concerns about joint integrity and fastener durability in demanding applications. The UNC coarse threading with Class 2A fit ensures reliable engagement in materials where fine threads might strip or fail, while the 82° countersink angle provides secure, flush mounting that eliminates protrusions in machinery, electronics enclosures, and structural assemblies. The zinc plating offers essential corrosion protection, making these Phillips flat head screws ideal for manufacturing equipment, automotive components, and electrical panels where environmental factors threaten fastener performance.

Specification Summary & Compliance

This 6-32 x 3/4" flat head screw features precise Class 2A thread fit tolerances and UNC coarse threading manufactured to exacting standards. The product fully complies with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring these screws meet the latest environmental safety standards for industrial use worldwide.