S-91771A183 2-64 x 3/8" 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, ensuring long-term reliability in demanding environments
- Exceptional 80,000 PSI tensile strength provides reliable fastening performance for high-stress industrial applications
- Precision Class 2A thread fit guarantees consistent engagement and secure fastening in critical assemblies
- Optimized 82° countersink angle enables flush mounting for clean, professional finishes in visible applications
- Full threading along the entire 3/8" length offers maximum grip and adjustment flexibility in various material thicknesses
- Phillips No. 1 drive design ensures efficient installation with common tools while minimizing cam-out risks
- Comprehensive regulatory compliance meets ASME B18.6.3 specifications and environmental standards for global manufacturing
Professional Applications & Engineering Value
These 2-64 UNF flat head screws deliver exceptional engineering value in precision applications where corrosion resistance and reliable fastening are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making these Phillips drive screws ideal for electronics enclosures, instrumentation, aerospace components, and marine equipment. The fine UNF threading ensures secure fastening in thin materials and delicate assemblies, while the standard 82° countersink angle creates seamless surface finishes. With 80,000 PSI tensile strength, these fully threaded screws maintain structural integrity under vibration and thermal cycling, solving common failure points in industrial environments.
Specification Summary & Compliance
This flat head Phillips screw features precision Class 2A thread fit with 2-64 UNF fine threading and right-hand thread direction. Manufactured to ASME B18.6.3 specifications with inch system measurements, including 0.162" head diameter and 3/8" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global manufacturing and electronics applications.
