S-91771A194 8-32 x 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 80,000 psi ensures reliable performance in demanding applications
- Precise Class 2A thread fit guarantees smooth installation and secure fastening connections
- Optimized 82° countersink angle provides flush mounting and improved aesthetic finish
- Full threading design delivers maximum grip length and superior holding power
- No. 2 Phillips drive enables efficient installation with standard tools while resisting cam-out
- Rockwell B80 hardness maintains structural integrity under vibration and load stress
Professional Applications & Engineering Value
These 8-32 UNC flat head Phillips screws deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction prevents oxidation in moisture-rich environments, while the coarse UNC threading provides excellent engagement in various materials including metals, plastics, and composites. The standard 82° countersink angle ensures seamless flush mounting in precision applications from electronic enclosures to machinery assemblies. With full threading and Class 2A fit, these fasteners eliminate play and maintain clamping force in vibrating systems, making them ideal for automotive, marine, and industrial equipment where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. Features 8-32 UNC coarse threads with right-hand direction and standard flat head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The combination of 80,000 psi tensile strength and Rockwell B80 hardness meets rigorous industrial standards for mechanical fastening applications.
