S-91773A830 10-32 x 5/8" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 2A fit and UNF fine threads ensuring reliable, vibration-resistant connections
• High mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
• Optimized drive efficiency through Phillips No. 2 drive design providing secure torque transmission and reduced cam-out
• Full threading coverage along the 5/8" length enables maximum grip and load distribution across the entire fastener
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmental compliance with RoHS 3 and REACH regulations ensuring safe usage in regulated industries

Professional Applications & Engineering Value

These 10-32 UNF rounded head screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and mechanical reliability are critical. The 18-8 stainless steel composition combined with passivated finish provides superior protection against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor installations. The fine thread spacing and Class 2A thread fit ensure precise alignment and vibration resistance in precision assemblies, while the rounded head design with Phillips drive offers streamlined installation in confined spaces. These fully threaded fasteners maintain consistent 100,000 psi tensile strength across the entire 5/8" length, providing reliable performance in high-stress mechanical systems and equipment maintenance applications.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards, these screws feature Class 2A thread fit with UNF fine threads (10-32) and right-hand threading direction. The dimensional specifications include 0.19" thread diameter, 0.359" head diameter, and 5/8" fully threaded length. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for industrial applications worldwide.