S-99117A700 10-32 x 4" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A fit and UNF fine threads ensuring vibration resistance and secure fastening
• Optimized drive efficiency featuring Phillips No. 2 drive for reduced cam-out and consistent torque application
• Enhanced design versatility with partially threaded shank providing both gripping and clearance functions
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards (RoHS 3, REACH)
• Universal compatibility with rounded pan head profile accommodating standard tooling and flush mounting requirements

Professional Applications & Engineering Value

These 10-32 UNF zinc-plated steel rounded head screws deliver critical performance advantages for industrial assembly applications where corrosion resistance and mechanical reliability are paramount. The fine thread configuration provides superior vibration resistance in machinery, electronic enclosures, and automotive components, while the partially threaded design allows for precise clamping force distribution. The zinc-plated finish creates a protective barrier against environmental factors, significantly extending service life in manufacturing facilities, outdoor equipment, and harsh operational environments. Engineered to ASME B18.6.3 standards, these Phillips drive screws ensure consistent quality and interchangeability across production lines, reducing installation time and maintenance requirements.

Specification Summary & Compliance

Manufactured to exacting dimensional standards with Class 2A thread fit tolerance for precision engagement. Complies with ASME B18.6.3 mechanical and dimensional specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features UNF 10-32 fine threads with right-hand direction and partial threading configuration. The 4" length with minimum 1½" thread length provides optimal fastening capability for medium to heavy-duty applications.