S-90273A198 8-32 x 7/8" ASME B18.6.3 Steel Phillips Flat Head Screws
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 zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments.
- High tensile strength of 60,000 psi provides reliable fastening integrity under substantial mechanical loads.
- Precise Class 2A thread fit ensures smooth installation and secure engagement with mating components.
- 82° countersink angle and flat head design allows for a flush finish, reducing snagging and improving aesthetic integration.
- Phillips No. 2 drive offers efficient torque transfer and ease of use with common tools, speeding up assembly processes.
- Coarse UNC threads enable quick installation and strong holding power in a variety of materials.
- Full threading along the 7/8" length maximizes grip and adjustability for versatile application needs.
Professional Applications & Engineering Value
These 8-32 UNC flat head screws are engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. Made from zinc-plated steel, they offer enhanced durability and resistance to environmental factors, making them ideal for machinery, electronics, and automotive assemblies where reliability is critical. The coarse thread design and Class 2A fit ensure quick, secure installations, reducing labor time and minimizing the risk of cross-threading. With a Rockwell B70 hardness and 60,000 psi tensile strength, these screws maintain integrity under stress, providing long-term value in high-demand applications. The flat head with an 82° countersink allows for seamless surface integration, preventing protrusions that could interfere with moving parts or safety standards.
Specification Summary & Compliance
This product adheres to precise dimensional tolerances, including Class 2A thread fit and UNC coarse threads per standard specifications. It is manufactured in compliance with ASME B18.6.3 for consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use.
