S-91771A159 6-32 x 2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable performance under heavy loads
• Precision thread engagement through Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Efficient installation using No. 2 Phillips drive for quick, secure torque application without slippage
• Full-threaded design providing maximum grip length and load distribution across the entire 2" shaft
• Regulatory compliance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 6-32 flat head Phillips screws deliver critical performance advantages for industrial applications where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making these machine screws ideal for marine equipment, food processing machinery, and outdoor installations. The combination of UNC coarse threading with Class 2A fit ensures rapid assembly while maintaining precise tolerance control, reducing installation time without compromising joint security. The fully threaded 2" length offers maximum engagement depth for critical structural connections, while the standardized 82° countersink angle guarantees proper seating in prepared holes. These industrial fasteners solve common engineering challenges by providing reliable, maintenance-free performance in demanding environments where vibration, moisture, and chemical exposure would compromise inferior fasteners.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards, these screws feature precision UNC coarse threads with Class 2A dimensional accuracy for consistent fit and performance. The right-hand threaded fasteners maintain fully threaded configuration across the entire 2" length with standardized 82° countersink angle for proper flush mounting. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety, while the material certification confirms passivated 18-8 stainless steel composition with verified mechanical properties including 80,000 psi tensile strength and Rockwell B80 hardness.