S-92949A270 10-32 x 7/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional thread precision with Class 3A UNF fine threads ensuring secure, vibration-resistant fastening in critical applications
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads
• Secure installation and removal with 1/8" hex drive design providing positive torque transmission and reduced cam-out risk
• Full thread engagement along the 7/8" length for maximum grip and distribution of clamping forces
• Rounded button head profile offering a low-profile, aesthetically clean finish while minimizing snagging hazards
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental directives including RoHS 3 and REACH

Professional Applications & Engineering Value

This 10-32 UNF Class 3A rounded head screw delivers critical engineering value in precision assemblies where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel material combined with passivated finish provides exceptional durability in demanding environments including marine, chemical processing, and food equipment applications. The fine thread spacing and Class 3A thread fit ensure zero backlash in precision machinery, while the hex drive configuration allows for high-torque installation in confined spaces. Engineered for industrial screw applications requiring reliable performance, this fully threaded button head screw maintains integrity in high-stress assemblies without compromising on regulatory compliance.

Specification Summary & Compliance

This precision fastener features 10-32 UNF Class 3A threads with fine thread spacing, manufactured to exacting dimensional standards. The screw maintains ASME B18.3 specifications throughout production, ensuring consistent quality and interchangeability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations confirms its suitability for global industrial applications, while the fully threaded 7/8" length provides complete engagement capability across the fastener's entire shank.