Dottie MB124 Bolt, 1/2"-13 4" Hex Head Tap Bolt

Built for reliable, long-reach fastening in mechanical, electrical and security installations, the Dottie 1/2-13 x 4 in Hex Head Tap Bolt delivers consistent performance where stability matters. This hex head tap bolt is zinc-plated and made from low carbon steel, giving installers a corrosion-resistant connection that stands up to indoor and sheltered outdoor environments. The 1/2-13 thread and 4 in length are ideal for pulling assemblies together over extended runs or fastening into internally tapped holes; use with a nut or jam nut to lock adjustments in place.

Manufactured to the IFI-199 standard, the MB124 provides uniform thread quality and strength across multiple fasteners—reducing fit issues during CCTV, surveillance camera, access control and server-rack installs. The pack of 25 is tailored for contractors and integrators who need reliable, project-ready quantities. Whether mounting security enclosures, camera brackets, or networking hardware, this Dottie hex head tap bolt minimizes rework and speeds installation. Add the MB124 to your next security or monitoring deployment for dependable, professional-grade fastening.

• Provides corrosion-resistant, zinc-plated fastening for long-lasting installations
• Threads into tapped holes or works with nuts for secure, long-reach assemblies
• 1/2-13 x 4 in length offers the reach needed for equipment mounts and enclosure work
• Compatible with jam nuts for precise adjustment and vibration-resistant locking
• Packaged quantity of 25 supports project-level ordering for installers and contractors