S-97715A262 1/4"-20 x 3/8" ASME B18.3 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 with brass construction, ideal for harsh industrial environments and electrical applications
- Exceptional thread engagement and reliability from Class 3A fit UNC coarse threads, minimizing cross-threading and ensuring secure fastening
- High mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness for demanding load-bearing applications
- Secure, high-torque installation enabled by the 5/32" hex drive and fully threaded design, preventing cam-out and providing consistent clamping force
- Streamlined, low-profile design with a rounded button head (0.437" diameter) for applications where clearance is a concern
- Guaranteed dimensional consistency and interchangeability through compliance with the rigorous ASME B18.3 standard
- Safe for regulated industries with full compliance to RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
This 1/4"-20 brass rounded head screw is engineered to solve critical challenges in assembly and maintenance. The combination of brass material and a Class 3A UNC coarse thread provides excellent corrosion resistance and rapid installation, which is vital in electrical enclosures, marine hardware, and plumbing systems where galvanic corrosion is a risk. The fully threaded design and hex drive ensure maximum thread contact and high torque application without stripping, delivering a vibration-resistant hold. Its rounded button head offers a finished appearance and reduces snagging in machinery and consumer products. This screw is a reliable, long-lasting fastener that maintains integrity in diverse industrial applications.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with a precision Class 3A fit for superior thread engagement. It is manufactured to meet the dimensional requirements of ASME B18.3. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances.
