S-97715A412 3-48 x 3/16" Brass Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass construction, ideal for harsh industrial environments
• Exceptional tensile strength rated at 50,000 PSI for reliable performance under heavy loads
• Precision Class 3A thread fit ensures secure fastening with minimal vibration loosening
• Convenient hex drive design with 1/16" drive size for easy installation and removal
• Fully threaded body provides maximum grip and holding power throughout the entire length
• Optimized hardness rating at Rockwell B55 maintains structural integrity during repeated use
• Compliant with RoHS 3 and REACH regulations for environmentally responsible sourcing

Professional Applications & Engineering Value

These 3-48 UNC brass rounded button head screws deliver critical advantages in precision assembly applications where corrosion resistance and electrical conductivity are paramount. The coarse thread spacing and Class 3A thread fit provide superior engagement in softer materials while resisting vibration-induced loosening. The rounded button head profile with hex drive offers both aesthetic appeal and practical installation benefits, creating flush surfaces while allowing high torque application. Manufactured from durable brass material with Rockwell B55 hardness, these screws maintain dimensional stability in electrical components, marine equipment, and precision instruments where galvanic corrosion must be avoided.

Specification Summary & Compliance

This 3-48 UNC thread screw features precision Class 3A thread fit with coarse thread spacing and right-hand thread direction. The screw meets RoHS 3 (2015/863/EU) compliance with exemption 6(c) for lead in copper alloy and is REACH (EC 1907/2006) compliant as of January 17, 2023. Critical dimensions include 3/16" length, 0.188" head diameter, and 1/16" hex drive size, ensuring interchangeability with standard industrial components.