The Simpson L-Shape End Column Cap is engineered to deliver strong, reliable column-to-beam connections in end-of-beam applications where two beams intersect in an "L" formation on top of a column. Built from heavy-duty 7-gauge steel with certified welds and a Simpson Strong-Tie gray paint finish, this left-oriented cap is designed to distribute load from intersecting beams down through a supporting post, providing critical structural support at the connection point. Installation is streamlined with included 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws, which offer a faster, lower-profile alternative to standard through bolts - making this cap a practical, high-performance choice for deck, pergola, and structural framing projects.

Key Features

• Screws configured for high uplift design values - provides the uplift resistance needed for structural connections subject to wind and lateral forces, giving you confidence the connection will hold under real-world loads.
• Certified welds throughout - every weld meets certification standards for strength and loading, so you can trust the structural integrity of the cap without second-guessing fabrication quality.
• Diamond holes for temporary fastening - allows you to hold the cap in position during layout and alignment before final fastening, reducing the chance of installation errors and speeding up the overall process.
• Left-side beam orientation (ECCLLQ series) - purpose-built for L-formation connections where the side beam extends to the left, eliminating the need to improvise with a non-directional bracket; order the ECCLRQ model when a right-side orientation is required.
• Fits 3-1/4 in. main beam, 3-1/4 in. side beam, and nominal 4x post - sized precisely for these common structural member dimensions, reducing the need for additional brackets or custom fabrication at the connection point.
• 7-gauge steel construction - the heavy-gauge steel provides the structural mass required for demanding load-bearing column cap applications, standing up to the stresses of intersecting beam loads over time.
• Simpson Strong-Tie gray paint finish - the factory-applied coating provides a consistent, professional appearance and baseline protection suited to covered and semi-exposed structural applications.
• Includes Strong-Drive SDS Heavy-Duty Connector screws - having the correct fasteners in the box means you can go straight to installation without a separate hardware run, and the screws are matched to the cap for optimized performance.

Why This Product

• A purpose-built solution for L-formation beam intersections - rather than adapting a generic bracket to an angled connection, this cap is specifically designed for end-of-beam applications where two beams meet at an "L" on top of a column, generally eliminating the need for additional brackets or braces and resulting in a cleaner, stronger joint.
• Faster installation without sacrificing structural performance - the included Strong-Drive SDS Heavy-Duty Connector screws drive faster than standard through bolts and maintain a lower profile, so you can complete structural connections more efficiently while still meeting the high uplift design values the application demands.
• Built-in quality assurance through certified welds - certified weld quality means load-bearing capacity is verified at the manufacturing level, reducing the variables a contractor or builder has to account for on the job site.
• Consistent fit across a common structural member combination - by targeting 3-1/4 in. main and side beams with a nominal 4x post in a single, matched product, this cap simplifies procurement and ensures the connection geometry is correct from the start, which matters when structural accuracy is non-negotiable.

Specifications

• Manufacturer Part Number (MPN): ECCLLQ3.25-4SDS
• Brand: Simpson Strong-Tie
• Series: ECCLQ
• Product Type: L-Shape End Column Cap (Left)
• Main Beam Size: 3-1/4 in.
• Side Beam Size: 3-1/4 in.
• Post Size: Nominal 4x
• Beam Orientation: Skewed Left
• Material: Steel
• Gauge: 7-Gauge
• Finish / Coating: Simpson Strong-Tie Gray Paint
• Fastener Type: 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector Screws (Included)
• Country of Origin: United States

Approved Applications

• End-of-beam column-to-beam connections where two beams meet in an "L" formation on top of a column.
• Applications requiring load distribution from intersecting beams down through a supporting post.
• Projects using 3-1/4 in. main beams, 3-1/4 in. side beams, and nominal 4x posts.
• Structural connections requiring high uplift resistance.
• Applications where a left-side beam orientation is required (see ECCLRQ for right-side orientation).

What's Included

• 1 x Simpson Strong-Tie ECCLLQ3.25-4SDS L-Shape End Column Cap (Left)
• 1/4 in

Options

• Contact us for Configurable Options and Special orders

Frequently Asked Questions

What member sizes is the ECCLLQ3.25-4SDS designed to fit?

This column cap is designed for a 3-1/4 in. main beam, a 3-1/4 in. side beam, and a nominal 4x post.

What fasteners are required for installation, and are they included?

This column cap installs using 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws (Model: SDS25212), which are included with the product. These screws provide faster installation and a lower profile compared to standard through bolts.

What is the difference between the ECCLLQ and ECCLRQ models?

The ECCLLQ model, which includes this ECCLLQ3.25-4SDS, is configured with the side beam oriented to the left. If you need the side beam oriented to the right, you should order the ECCLRQ model instead.

What materials and finish does this column cap feature?

The ECCLLQ3.25-4SDS is constructed from 7-gauge steel with certified welds and is finished with a Simpson Strong-Tie gray paint coating. The certified welds are designed to provide confidence in both strength and loading performance.