S-91771A834 10-32 x 1 1/8" 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 from passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable performance in high-stress applications
- Precision thread engagement with Class 2A fit and UNF fine threading for secure, vibration-resistant fastening
- Optimized drive efficiency through Phillips No. 2 drive design, enabling quick installation with standard tools
- Full threading coverage along the entire 1-1/8" length for maximum grip and load distribution
- Consistent flush mounting with standard 82° countersink angle and flat head profile for seamless surface integration
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and international environmental standards
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering advantages in demanding 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 fasteners ideal for marine equipment, food processing machinery, and outdoor industrial installations. The UNF fine threading with Class 2A fit ensures precise engagement in tapped holes, reducing the risk of cross-threading while maintaining consistent clamping force under vibration. With fully threaded design and 80,000 psi tensile strength, these Phillips drive screws offer reliable performance in critical assemblies where failure is not an option, from precision instrumentation to heavy-duty equipment frames.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 standards, these flat head screws feature Class 2A thread fit tolerances with UNF fine thread spacing and right-hand thread direction. The mechanical properties include Rockwell B80 hardness and 80,000 psi tensile strength for consistent performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety, while the passivated surface treatment enhances durability without compromising regulatory requirements.
