S-97763A364 3/8"-16 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 Black-Oxide coated 18-8 Stainless Steel, ideal for harsh environments and reducing maintenance costs.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and prevents failure under stress.
- Class 3A thread fit provides precise, tight tolerances for secure fastening and vibration resistance in demanding applications.
- Hex drive design (7/32") allows for easy installation with standard tools, minimizing slippage and improving assembly efficiency.
- Fully threaded UNC coarse spacing enables quick engagement and strong holding power in various materials.
- Rockwell B55 hardness offers excellent durability and wear resistance, extending the screw's service life.
- Rounded button head profile reduces snagging risks and provides a low-profile, aesthetically pleasing finish.
Professional Applications & Engineering Value
These Black-Oxide 18-8 Stainless Steel Rounded Head Screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress conditions. The 18-8 stainless steel material combined with a Black-Oxide coating enhances resistance to rust and chemical exposure, making them suitable for outdoor, marine, and chemical processing applications. The UNC coarse thread with Class 3A fit ensures rapid installation and reliable performance in assemblies requiring frequent disassembly, while the hex drive design provides torque stability, reducing the risk of tool cam-out. Ideal for machinery, automotive, and construction sectors, these screws deliver long-term reliability and compliance with industry standards, minimizing downtime and maintenance needs.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC coarse thread with Class 3A fit for high precision and tight tolerance. It is manufactured in accordance with ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability. Dimensions include a length of 1-1/2", head diameter of 0.656", and fully threaded design for consistent performance.
