Dottie MBBZ51612 Bolt, 5/16"-18 1/2" Silicon Bronze Hex Head Tap Bolt

Built for dependable performance in harsh environments, the Dottie MBBZ51612 Silicon Bronze Hex Head Tap Bolt delivers corrosion-resistant, electrically conductive fastening ideal for marine, security and surveillance applications. This hex head bolt, machined from silicon bronze, resists saltwater corrosion and high temperatures better than brass, protecting outdoor camera mounts, monitoring enclosures and grounding connections. The 5/16"-18 x 1/2" size with 18 TPI provides a secure thread engagement while the hex head simplifies installation with standard tools, helping technicians complete installs faster. Because it pairs with silicon bronze nuts and washers, you minimize galvanic corrosion at critical joints—an important benefit for long-life security and networking hardware. Supplied in contractor-friendly quantities, the MBBZ51612 is suited for mounting surveillance cameras, bonding grounding straps, and fastening equipment on boats or coastal structures. Choose this Dottie silicon bronze bolt when you need a durable, low-maintenance fastener for outdoor, marine and electrical grounding uses. Order a pack to standardize your installations and reduce callbacks.

• Long-term corrosion protection for marine and outdoor installations, reducing maintenance and replacement costs
• Excellent electrical conductivity for reliable grounding and bonding in security, surveillance and monitoring systems
• Temperature-resistant silicon bronze alloy maintains strength and appearance in harsh environments
• Hex head design allows fast, secure installation with standard wrenches or sockets to speed field work
• Compatible with silicon bronze nuts and washers to prevent galvanic corrosion at joints
• Pack-ready sizing (5/16"-18 x 1/2") ideal for bulk procurement and consistent assembly on large projects