S-97715A431 4-40 x 5/8" Brass Button Head Hex-Drive Screws
Brass 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 due to brass material, ideal for harsh industrial environments and extending service life.
- High-strength performance with 50,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable load-bearing capacity and resistance to deformation.
- Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening in critical applications.
- Easy installation and removal with a 1/16" hex drive, providing a positive grip and minimizing tool slippage.
- Versatile coarse 4-40 UNC threading offers quick assembly and robust holding power in various materials.
- Fully threaded design maximizes engagement length for stronger, more uniform clamping force distribution.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global supply chain requirements.
Professional Applications & Engineering Value
This brass rounded head screw with a 4-40 UNC coarse thread and 5/8" length is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The brass material provides excellent resistance to rust and galvanic corrosion, making it suitable for electrical components, marine equipment, and plumbing systems. The Class 3A thread fit ensures tight tolerances, reducing the risk of thread stripping and enhancing joint integrity in high-vibration environments. Combined with a hex drive and fully threaded design, it allows for quick, secure installations in tight spaces, improving productivity in industrial applications while maintaining compliance with stringent regulations.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) compliance under exemption 6(c) for lead in copper alloys and is REACH (EC 1907/2006) compliant, ensuring it meets environmental and safety regulations for industrial use.
