S-92949A769 5/8"-11 x 2" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 thanks to 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh environments.
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness, providing reliable load-bearing capacity.
- Precise thread engagement from Class 3A thread fit and UNC coarse threads, reducing cross-threading risks and speeding assembly.
- Efficient installation and removal with a 3/8" hex drive and 1" head diameter, offering secure tool grip and torque application.
- Full-threaded design for consistent holding power along the entire 2" length, ideal for thick materials.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Durable rounded head profile that minimizes surface damage and provides a clean, finished appearance.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 18-8 stainless steel rounded head hex screws address common challenges like vibration loosening and corrosion. The UNC coarse threads and Class 3A fit ensure quick, secure fastening in metals and composites, reducing assembly time while maintaining integrity under stress. With a passivated finish, they resist oxidation and chemical exposure, making them ideal for machinery, construction, and marine applications. The fully threaded design and high tensile strength provide uniform clamping force, preventing joint failure in heavy-duty assemblies and enhancing operational reliability.
Specification Summary & Compliance
This screw features a 5/8"-11 UNC thread with Class 3A precision fit and coarse spacing for robust performance. Dimensions include a 2" length, 1" head diameter, and 3/8" hex drive. It meets ASME B18.3 specifications for consistency and safety, and is compliant with RoHS 3 and REACH regulations, ensuring environmental and health standards are upheld in industrial use.
