Dottie 5MB123 Screw, 1/2"-13 3" Grade Hex Head Cap Screw

Engineered to provide dependable clamp force where it matters, the Dottie 5MB123 Grade 5 Hex Head Cap Screw is the reliable fastener choice for security, surveillance and IT installations. This Hex Cap Screw (1/2-13 thread, 13 TPI) is manufactured from medium carbon steel to deliver the balanced strength needed for mounting cameras, network racks, enclosures and other low-voltage equipment. At a robust length of 3.5" and supplied in packs of 50, it helps installers complete jobs faster with consistent performance across multiple assemblies.

Built to SAE J429 and ASME B18.2.1 standards, this Dottie screw offers predictable mechanical properties and dimensional accuracy, reducing field rework and ensuring secure, repeatable connections when used with tapped holes or nuts. For optimal joint protection and clamp stability, use with a hardened washer beneath the turned component. Ideal for contractors and IT teams installing surveillance, monitoring, and networking hardware, the 5MB123 streamlines installations with professional-grade reliability. Order now to stock your job kit or specify it for your next security or low-voltage project.

• Delivers consistent clamp force for secure mounts — ideal for camera brackets, racks and enclosures
• Grade 5 medium carbon steel provides dependable strength for high-load security and networking installs
• 1/2-13 thread profile and 13 TPI ensure compatibility with tapped holes or standard nuts for fast assembly
• Packaged in quantities of 50 to streamline project staging and reduce downtime on job sites
• Conforms to SAE J429 and ASME B18.2.1 for material, performance and dimensional reliability
• Requires a hardened washer under turned components to protect hardware and maintain joint integrity