S-92949A655 3/8"-24 x 1 1/2" 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 with 18-8 Stainless Steel and passivated finish, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress.
- Precise, secure fastening with Class 3A UNF fine threads, ensuring tight fit and vibration resistance in critical assemblies.
- Efficient installation and removal via the 7/32" hex drive, providing high torque capability and reducing tool slippage.
- Versatile rounded button head design for a low-profile, finished appearance and reduced risk of snagging.
- Full threading along the 1 1/2" length for maximum grip and adjustability across the entire fastener.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 3/8"-24 UNF Class 3A Rounded Head Screws address common challenges like corrosion, vibration loosening, and high tensile demands. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides excellent resistance to rust and chemicals, making them suitable for marine, chemical processing, and outdoor equipment. The fine thread and Class 3A fit deliver superior clamping force and precision in assemblies requiring minimal clearance, such as machinery, automotive components, and electronic enclosures. With a hex drive for easy torque application and a rounded head that minimizes protrusion, these screws ensure quick, secure installations in tight spaces, reducing maintenance and enhancing operational reliability.
Specification Summary & Compliance
This screw features a 3/8"-24 UNF fine thread with Class 3A tolerance for high precision and strength. It is manufactured in compliance with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and sustainability. Dimensions include a head diameter of 0.656", length of 1 1/2", and full threading for consistent performance.
