S-91802A074 2-56 x 1/8" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws
Stainless Steel Phillips Oval 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 tensile strength rated at 80,000 psi for reliable performance in high-stress applications
- Precise Class 2A thread fit ensures smooth installation and secure fastening in UNC coarse threaded holes
- Optimized oval head design with undercut profile and 82° countersink angle for flush mounting and clean aesthetics
- Enhanced drive engagement with Phillips No. 1 drive style preventing cam-out during installation
- Full threading along the 1/8" length provides maximum grip and holding power
- Comprehensive regulatory compliance meeting ASME B18.6.3 standards, RoHS 3, and REACH requirements
Professional Applications & Engineering Value
These 2-56 UNC oval head Phillips flat head screws deliver critical engineering solutions where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel construction withstands corrosive environments while maintaining Rockwell B80 hardness for durability. The undercut oval head profile with 82° countersink angle ensures flush mounting in precision assemblies, eliminating protrusions that could interfere with moving components. The coarse UNC threading with Class 2A fit provides excellent engagement in various materials, making these industrial screws ideal for machinery, electronic enclosures, and equipment where vibration resistance and reliable fastening are essential. The Phillips No. 1 drive offers efficient installation while the fully threaded design maximizes holding power in limited space applications.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (2-56 size). Complies with ASME B18.6.3 specifications for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. Features include 0.162" head diameter, 1/8" length, and full threading throughout the shank length.
