S-91771A954 8-32 x 1" 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 with Class 2A UNC coarse threads ensuring consistent fastening and vibration resistance
- Streamlined installation featuring a standard 100° countersink angle and Phillips No. 2 drive for flush, secure seating
- Full threading along the 1" length provides maximum grip and uniform stress distribution in assemblies
- Regulatory compliance assurance meeting ASME B18.6.3 specifications, RoHS 3, and REACH for global industrial use
- Right-hand thread direction enables intuitive installation and compatibility with standard UNC nut and tapped hole applications
Professional Applications & Engineering Value
Engineered for demanding industrial fastening scenarios, these 8-32 UNC flat head screws deliver critical reliability in machinery, enclosures, and structural assemblies. The passivated 18-8 stainless steel material inherently resists oxidation and chemical exposure, extending service life in moist or corrosive settings. The fully threaded design and coarse thread spacing enhance pull-out resistance, while the Phillips drive and standard flat head profile allow for efficient, low-profile installations. These screws address common challenges like thread stripping, galvanic corrosion, and assembly inconsistency, making them a trusted choice for OEMs and maintenance teams requiring ASME B18.6.3 compliant components.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit tolerances per UNC standards, with a right-hand thread direction and coarse thread spacing. Manufacturing and material specifications conform to ASME B18.6.3, and the product is verified as RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental and safety standards are met for industrial distribution and use.
