S-91771A158 6-32 x 1 7/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precision thread engagement through Class 2A UNC coarse threading ensures secure fastening and vibration resistance
- Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
- Enhanced drive stability with Phillips No. 2 drive system preventing cam-out during high-torque installation
- Full-threaded reliability providing maximum grip length and uniform stress distribution along the entire fastener
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these flat head Phillips machine screws deliver critical performance where surface flushness and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against chemical exposure and atmospheric corrosion, while the UNC coarse threading with Class 2A fit ensures rapid installation and reliable thread engagement in various materials. The combination of 80,000 psi tensile strength and fully threaded design makes these industrial screws ideal for machinery assembly, electrical enclosures, and structural components where vibration resistance and long-term durability are essential. The standardized 82° countersink angle guarantees proper seating in prepared holes, eliminating protrusion issues in precision applications.
Specification Summary & Compliance
This 6-32 x 1 7/8" flat head screw features precision UNC coarse thread spacing with Class 2A thread fit tolerance for consistent performance. Manufactured in compliance with ASME B18.6.3 specifications, ensuring dimensional accuracy and mechanical properties. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications with strict material restrictions.
