S-90471A434 6-32 x 1 1/2" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Easy installation and removal through Phillips No. 2 drive and standard flat head profile with 100° countersink angle
• Reliable thread engagement with UNC coarse threading and Class 2A fit for secure fastening in various materials
• Maximum thread coverage with fully threaded design for consistent clamping force along the entire length
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance
• Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These zinc-plated steel flat head Phillips screws deliver critical performance advantages in industrial fastening applications where reliability and durability are paramount. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures these UNC threaded screws maintain integrity under substantial loads and vibration. The standard flat head profile with 100° countersink angle provides flush mounting in predrilled holes, while the coarse thread design offers excellent grip in both metal and plastic substrates. Engineered to ASME B18.6.3 standards, these fully threaded screws are ideal for machinery assembly, electrical enclosures, and automotive components where consistent clamping force and corrosion resistance are essential for long-term operational safety.

Specification Summary & Compliance

This 6-32 x 1-1/2" flat head screw features precise Class 2A thread fit with UNC coarse threading (32 threads per inch) and right-hand thread direction. Manufacturing adheres to ASME B18.6.3 specifications for dimensional accuracy, including head diameter (0.262"), head height (0.06"), and thread diameter (0.138"). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors without hazardous substance restrictions.