S-91500A328 10-32 x 1/4" 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced driving torque and reduced cam-out with Phillips No. 2 drive and fully threaded design for secure, efficient installation
- Reliable flush mounting featuring an 82° countersink angle and undercut flat head profile for seamless surface finishing
- Consistent thread engagement with Class 2A fine thread fit and UNF 10-32 specification, minimizing cross-threading risks
- High mechanical strength delivering 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications
- Long-term durability ensured by passivated surface finish, increasing wear and corrosion resistance
- Regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, quality-assured industrial use
Professional Applications & Engineering Value
This 10-32 UNF flat head machine screw in 316 stainless steel addresses critical challenges in industrial fastening, particularly where corrosion resistance and precision are paramount. The passivated finish significantly enhances durability against oxidation and chemical degradation, making it suitable for marine, chemical processing, and food-grade equipment. Its undercut flat head and 82° countersink angle provide a flush fit, eliminating protrusions in assembled components and improving aesthetic and functional integrity. With a fine thread spacing and Class 2A thread fit, it ensures tight, vibration-resistant connections in machinery, electronics, and automotive assemblies, reducing maintenance needs and enhancing operational reliability.
Specification Summary & Compliance
This screw adheres to ASME B18.6.3 specifications, featuring a 10-32 UNF thread size with Class 2A thread fit for precise dimensional accuracy. It is manufactured from 316 stainless steel with a passivated finish, offering a tensile strength of 70,000 psi and hardness of Rockwell B80. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental safety and regulatory adherence for global industrial applications.
