The Simpson Strong-Tie BCS2-3/6Z BCS ZMAX Galvanized Post Cap is a one-piece wood connector made to tie a triple 2x beam to a 6x post. This is a post cap designed for fastening a wood beam to a wood post. Model Number: BCS2-3/6Z. If you are building a deck, patio cover, or other top-supported wood structure and want a cleaner, stronger alternative to improvised toe-nailing, this is the right kind of connector for the job.

What makes the BCS series matter is how it handles the connection. Simpson Strong-Tie built this cap with opposing flanges for increased lateral resistance and double-shear nailing for added strength. In plain terms, that gives the beam and post a more positive mechanical connection than just driving nails or screws at an angle. It also helps reduce the chance of splitting the post and avoids relying on end-grain nailing.

This BCS2-3/6Z version is specifically sized for a triple 2x beam and 6x post, which is the kind of fit you want when you are trying to keep framing straightforward and code-minded. The connector is made from 18-gauge steel and uses a one-piece formed design, so there is no assembly or bracket pairing to figure out on site. The geometry is already set up for the beam and post size it is meant to carry.

For exterior framing, the finish matters. This model uses ZMAX coating, which Simpson Strong-Tie uses for extra corrosion resistance in outdoor environments and treated-wood applications. That makes it a better choice for exposed deck framing, patio covers, pergola-style top-supported structures, and similar work where standard interior hardware would not hold up the same way.

Installation is also practical. Simpson notes that the design is intended to be installed with all specified fasteners, and Lowe's lists this model for installation with 16d common nails. The connector is also designed so you are not nailing into end grain the way a field-built connection often does. That is a real benefit when you want a repeatable connection detail across multiple posts.

As for use case, this is best for contractors, deck builders, remodelers, and serious DIYers who are building top-supported wood structures and need a dedicated beam-to-post connector. It is not the right pick for non top-supported installations such as fences or unbraced carports. If your project calls for a triple 2x beam sitting on a 6x post and you want a connector that improves uplift and lateral support while keeping the install straightforward, this Simpson Strong-Tie post cap is a solid, purpose-built choice.

Simpson Strong-Tie BCS2-3/6Z BCS ZMAX Galvanized Post Cap Gets the Connection Right

If you are setting a triple 2x beam on a 6x post, this is the kind of connector that keeps the detail clean, strong, and repeatable.

• Who it's for: Deck builders, framers, remodelers, and homeowners building top-supported outdoor wood structures.
• Why it stands out: It is sized for a real framing condition, uses double-shear nailing, and adds lateral and uplift support instead of just covering the joint.
• Worth knowing: This is not a universal bracket. It is meant for a triple 2x beam and 6x post, and it is not recommended for non top-supported installations.

• What does this connector fit? It is sized for a triple 2x beam connected to a 6x post.
• What is it made from? This model is made from 18-gauge steel with a ZMAX finish.
• Can it be used outdoors? Yes. The ZMAX coating is intended to provide added corrosion resistance for exterior and treated-wood applications.
• Is it recommended for fences or unbraced carports? No. The product information says it is not recommended for non top-supported installations such as fences or unbraced carports.