Dottie MB516512 Bolt, 5/16"-18 5-1/2" Hex Head Tap Bolt

Built to secure long-run assemblies and camera mounts, the Dottie MB516512 Hex Head Tap Bolt provides dependable fastening strength for security, surveillance and monitoring installations. The 5/16-18 x 5.5in tap bolt is made from low-carbon steel and finished with zinc plating for corrosion resistance, delivering long-term reliability in both indoor and outdoor environments. Its 18 TPI threading engages precisely in internally tapped holes or works with a nut when you need to pull assemblies together over an extended length. For adjustment and fine-tuning, use with a jam nut to lock the position and prevent drift.

Designed by Dottie to IFI-199 standards, this hex head bolt combines industrial-grade performance with convenient pack sizing (50 per package) to keep your jobsite or stockroom efficient. Ideal for mounting camera brackets, conduit supports, access control hardware and other security system components, it supports professional installers and maintenance teams who require robust, corrosion-resistant fasteners. Order the Dottie MB516512 to standardize your hardware for surveillance and security projects or contact us for bulk and project pricing.

• Secures long-length assemblies and camera mounts to prevent loosening in security, surveillance, and monitoring installations
• Zinc-plated, corrosion-resistant finish extends service life in indoor and outdoor environments
• Precise 5/16-18 (18 TPI) threading ensures reliable engagement in tapped holes or with nuts for strong, repeatable connections
• 5.5in length provides the reach needed for deep fixtures, conduit supports, and multi-layer assemblies
• Packaged in quantities of 50 for consistent inventory and faster project deployment