Dottie 5MB143 Screw, 1/4"-20 3" Grade Hex Head Cap Screw

When secure, repeatable clamping is critical—such as mounting cameras, enclosures, or network racks—the Dottie 5MB143 hex head cap screw delivers dependable performance. This Dottie screw is made from Grade 5 medium carbon steel and zinc-plated for corrosion resistance, giving contractors and integrators a reliable fastener for security, surveillance, and monitoring hardware. The 1/4-20 thread and 3 in length provide deep engagement for tapped holes or nut-backed assemblies, while the hex head enables precise torque application for controlled clamp force under high loads. Compliant with SAE J429 and ASME B18.2.1 dimensional and material expectations, the 5MB143 reduces installation variables and helps ensure long-term mounting integrity. Supplied in a bulk pack of 100, these cap screws streamline procurement and on-site staging for large installs. Ideal for CCTV mounts, access control brackets, rack assemblies, and general fastener needs in commercial or industrial projects—specify the Dottie 1/4-20 x 3 in Grade 5 hex cap screw for consistent, professional results. Order now to stock your project kit or use them on your next security or networking installation.

• Delivers reliable, medium-strength clamping for equipment mounting and structural joins, reducing rework and downtime
• Zinc-plated Grade 5 carbon steel construction resists corrosion for long-lasting performance in security and surveillance installs
• 1/4-20 thread and 3 in length provide deep engagement for tapped holes or nut-secured assemblies, ensuring stable, high-load connections
• Hex head design allows fast, repeatable torque control with standard tools for consistent clamp force on critical hardware
• Packaged in quantity of 100 to simplify procurement and reduce handling for installers and integration teams