S-97715A265 1/4"-20 x 3/4" 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 from premium brass material, ideal for harsh industrial environments and extending service life
- Exceptional tensile strength of 50,000 psi ensures reliable, high-load fastening without failure under stress
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections in demanding applications
- Easy installation with 5/32" hex drive provides efficient torque transfer and reduces assembly time
- Rockwell B55 hardness offers excellent durability and resistance to wear and deformation
- Full UNC coarse threading enables quick engagement and strong holding power in various materials
- Compliance with ASME B18.3, RoHS 3, and REACH ensures safety, reliability, and environmental responsibility
Professional Applications & Engineering Value
This brass rounded head screw with 1/4"-20 UNC coarse threading and hex drive is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The brass material provides inherent resistance to rust and galvanic corrosion, making it perfect for marine, electrical, and plumbing applications where moisture exposure is a concern. The Class 3A thread fit ensures tight tolerances, reducing the risk of thread stripping and maintaining integrity in dynamic environments. With a rounded button head profile, it offers a low-profile, snag-resistant design that enhances safety and aesthetics in assembled products. Fully compliant with ASME B18.3 standards, this screw delivers consistent performance in machinery, automotive, and electronic enclosures, providing long-term reliability and ease of maintenance.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with UNC coarse threads and Class 3A fit for accurate engagement. It meets ASME B18.3 manufacturing specifications, ensuring consistent quality and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and consumer applications.
