Dottie MB143 1/4" 20 3' Hex Head Tap Bolt, 100-Pack

Dependable fastening for critical installs — the Dottie MB143 1/4-20 x 3-inch Hex Head Tap Bolt delivers secure, long-length clamping for security, surveillance, and monitoring hardware. Designed for professional technicians, this 100-pack of zinc-plated carbon steel cap screws provides corrosion-resistant performance and consistent thread engagement, making it ideal for camera mounts, rack assemblies, enclosures, and other low-voltage infrastructure.

The MB143 is manufactured to IFI-199 standards, ensuring interchangeability and predictable fit with 1/4-20 threads and a 3-inch length. Use it in internally tapped holes or with nuts and jam nuts for adjustable, locked assemblies that resist vibration and environmental exposure. RoHS-compliant construction and a durable finish help extend service life in both indoor and controlled outdoor applications.

Streamline installs and reduce onsite reorders with this contractor-friendly 100-pack. For secure mounting of surveillance cameras, access control panels, network enclosures, and other security equipment, choose the Dottie MB143 hex head tap bolts — order now to keep your projects on schedule.

• Secure, long-reach fastening for equipment assemblies and mounting brackets, reducing pull-through and movement during installation
• Corrosion-resistant zinc plating and carbon steel construction for reliable performance in security, surveillance, and monitoring environments
• Manufactured to IFI-199 for consistent threads and fit, minimizing downtime from mismatched fasteners
• Bulk 100-pack lowers per-unit cost and keeps installers supplied for rack, enclosure, and camera mounting jobs
• Compatible with internally tapped holes, jam nuts, or full-nut assemblies for flexible adjustment and secure locking