Mailbox Mounting Bracket, 4mm Thick Heavy Duty Steel Mount Plate, Universal Post Mount Mailbox Bracket Compatible with 4x4 Wood Post, Hollow Post and Multiple Mailbox Brands

Our Universal Mailbox Mounting Bracket is designed to perfectly solve the installation and fixing needs of post mount mailboxes. Adopting premium 4mm thick cold rolled steel material, this heavy duty mailbox mount plate boasts outstanding hardness and load-bearing capacity, far more stable than thin ordinary brackets. With diversified reserved hole positions, the steel mailbox mounting plate adapts to various mainstream mailbox hole sizes and is compatible with 4x4 wood posts, hollow posts and architectural mailbox posts, covering most outdoor installation scenarios. The anti-rust black surface treatment effectively isolates outdoor harsh weather, preventing rust, fading and corrosion, and maintains a neat appearance for years. Equipped with complete mounting hardware, this mailbox hardware kit allows you to finish installation quickly without extra accessories. The thickened reinforced design not only acts as a stable connector between the mailbox and the post, but also strengthens the mailbox structure, effectively preventing shaking and falling off. Please confirm the mounting hole size of your mailbox before purchase to ensure perfect matching.

• UNIVERSAL COMPATIBILITY：This mailbox mounting plate features multiple hole patterns to fit most post mount mailboxes. It matches common mounting hole sizes including 10"x4", 5"x5", 7"x3-1/4" and 3-1/4"x3-1/4", perfectly compatible with mainstream mailbox brands. Not suitable for mailboxes without bottom mounting holes.
• 4MM THICKENED STEEL DESIGN：Crafted with 4mm thick cold rolled steel, this heavy duty mailbox bracket is 266% thicker than ordinary 1.5mm mounts. It enhances overall stability of the mailbox and avoids deformation or swaying in daily use.
• PREMIUM HEAVY DUTY MATERIAL：Made of high-strength solid metal steel with durable black finish, the mailbox mount plate resists rust, corrosion and harsh outdoor weather like rain, snow and strong wind for long service life.
• EASY INSTALLATION & WIDE APPLICATION：No complex tools required for setup. The steel mailbox mounting bracket can be firmly installed on architectural mailbox posts, 4x4 wood posts and hollow posts, ideal for outdoor residential and courtyard use.
• COMPLETE HARDWARE KIT：Package comes with 1pcs mailbox mounting plate and all necessary mounting hardware for one-stop installation. Item measures 9 x 7 x 0.5 inches and weighs 0.69kg, compact and sturdy for daily mailbox installation needs.