S-97715A517 1/4"-20 x 1/4" 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 from high-quality brass construction, ideal for harsh environments and extended service life
- Exceptional tensile strength of 50,000 PSI ensures reliable, high-load fastening for demanding industrial applications
- Precise Class 3A thread fit guarantees tighter tolerances and secure mating for vibration-resistant assemblies
- Rockwell B55 hardness provides excellent durability and resistance to wear during installation and use
- Fully threaded design offers maximum grip and holding power along the entire screw length
- 5/32" hex drive with rounded button head allows for easy installation and a clean, low-profile finished appearance
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for regulated industries
Professional Applications & Engineering Value
Engineered for precision, this 1/4"-20 UNC brass screw with a rounded head and hex drive addresses critical industrial needs. The brass material inherently resists corrosion, making it perfect for electrical components, marine equipment, and plumbing systems where moisture is a concern. Its coarse thread spacing and Class 3A thread fit provide superior engagement and vibration resistance, reducing the risk of loosening in dynamic environments. The fully threaded design ensures consistent clamping force, essential for assemblies requiring uniform pressure distribution. Ideal for OEM manufacturing and maintenance, this button head screw combines aesthetic appeal with robust 50,000 PSI tensile strength, delivering reliable performance in automotive, aerospace, and electronic enclosures.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread with Class 3A fit for high precision, coarse thread spacing, and right-hand thread direction. Dimensions include a head diameter of 0.437", length of 1/4", and drive size of 5/32". It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006), ensuring adherence to environmental and safety standards for industrial use.
