S-91772A850 10-32 x 4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under load
• Optimized thread engagement with partially threaded design and 1-1/2" thread length for secure fastening in specific material thicknesses
• Precision manufacturing with Class 2A thread fit ensuring consistent, reliable installation and removal
• Enhanced drive stability with Phillips #2 drive providing secure tool engagement and reduced cam-out risk
• Regulatory compliance meeting ASME B18.6.3 standards for dimensional accuracy and material quality
• Environmental safety with RoHS 3 and REACH compliance for restricted substance control

Professional Applications & Engineering Value

This 10-32 UNF partially threaded pan head screw delivers critical engineering advantages for industrial assembly applications. The passivated 18-8 stainless steel construction provides exceptional corrosion resistance, making it suitable for demanding environments where moisture or chemicals are present. The partially threaded design allows for precise clamping force distribution, preventing overtightening in specific material thicknesses while maintaining structural integrity. With its Phillips #2 drive and rounded pan head profile, installation efficiency is maximized while providing a finished appearance. These industrial screws are engineered to maintain their 70,000 psi tensile strength in applications ranging from machinery assembly to electronic enclosures, ensuring long-term reliability where vibration resistance and durability are paramount.

Specification Summary & Compliance

This screw features precision 10-32 UNF fine threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and restricted substance control. Additional specifications include right-hand thread direction, 4" overall length, and 1-1/2" minimum thread length.