Dottie MB144 Bolt, 1/4"-20 4" Hex Head Tap Bolt

Dependable fastening for security, surveillance and low-voltage installations. The Dottie 1/4-20 x 4in Hex Head Tap Bolt (MB144) delivers reliable hold and adjustability where consistent thread engagement matters. Manufactured to IFI-199 from low carbon steel with a zinc-plated, corrosion-resistant finish, this hex head tap bolt resists corrosion while providing the strength needed for camera housings, junction boxes, server racks and other mounting hardware. The 1/4-20 thread pitch and 4in length make it ideal for fastening into internally tapped holes or using with nuts and jam nuts to secure long assemblies and perform fine adjustments. Supplied in convenient packs of 100, MB144 helps contractors and integrators keep projects on schedule and inventory predictable. Use these bolts for secure mounting of surveillance cameras, access control equipment, conduit clamps and networking enclosures where durable mechanical connection is essential. Standardized, specification-grade hardware for security, monitoring and networking installs—add Dottie MB144 bolts to your toolkit or order today to streamline installations.

• Secure, adjustable fastening for camera mounts, enclosures and rack assemblies
• Zinc‑plated, corrosion-resistant finish extends service life in security and surveillance installs
• 1/4-20 x 4in length provides consistent thread engagement for tapped holes or paired nuts
• Low carbon steel construction delivers reliable strength for long-length pulls and jam-nut adjustments
• Pack of 100 keeps installers stocked to reduce downtime on networking and monitoring projects