The Simpson Strong-Tie ECC77 End Column Cap is an engineered steel connector designed to provide strong, reliable column-to-beam connections in end-of-beam applications within wood construction. With a 6-3/4" beam width and 6-3/4" post width, the ECC77 features a seat that extends bearing surface area beyond one side of the column, effectively distributing load from the beam and providing robust support at the connection point. Constructed from heavy-duty 3 gauge steel with a Simpson Strong-Tie gray paint finish, this end column cap delivers structural integrity and long-lasting performance in demanding applications.

Key Features

• Certified welds for confidence in strength and loading
• Uplift loads increased for earthquake or wind loading
• Bolt spacing that meets NDS code requirements to ensure optimal performance
• Diamond holes to provide temporary fastening
• Seat extends bearing surface beyond one side of the column for superior load distribution
• Heavy-duty 3 gauge steel construction for maximum strength and durability
• Simpson Strong-Tie gray paint finish for corrosion resistance

Specifications

• Model Number: ECC77
• Description: 6-3/4" Beam, 6-3/4" Post End Column Cap
• Beam Width: 6-3/4"
• Post Width: 6-3/4"
• Material: 3 gauge steel
• Finish: Simpson Strong-Tie gray paint
• Required Fasteners: 3/4" Machine Bolts - Beam (2), Post (2)
• Country of Origin: United States

Approved Applications

• End-of-beam column-to-beam connections in wood construction
• Structural connections requiring load distribution from beam to post
• Applications requiring enhanced uplift resistance for earthquake or wind loading conditions
• Projects requiring NDS code-compliant bolt spacing at column-beam connections

What's Included

• 1x Simpson Strong-Tie ECC77 End Column Cap
• Note: 3/4" Machine Bolts are required for installation (Beam: 2, Post: 2) and are not included

Options

• Contact us for Configurable Options and Special orders
• Straps may be rotated 90 deg. (see SPECS)
• For special, custom or rough-cut lumber sizes, provide dimensions. An optional W2 dimension may be specified. (The W2 dimension on straps rotated 90 deg. is limited by the W1 dimension.)

Note: Product dimensions may differ from picture.

Frequently Asked Questions

What beam and post sizes is the ECC77 designed to fit?

The ECC77 is designed for use with a 6-3/4" beam width and a 6-3/4" post width, making it suitable for structural connections involving larger engineered or dimensional lumber members of those dimensions.

What fasteners are required to install the ECC77?

Installation of the ECC77 requires 3/4" machine bolts - two for the beam connection and two for the post connection - for a total of four bolts. The bolt spacing is designed to meet NDS code requirements for optimal performance.

What is the ECC77 made of, and how is it finished?

The ECC77 is constructed from heavy-duty 3 gauge steel and features a Simpson Strong-Tie gray paint finish, which provides corrosion resistance and long-lasting durability in structural applications.

What makes the ECC77 an "end" column cap, and where is it intended to be used?

The ECC77 is an end column cap because its seat extends the bearing surface beyond one side of the column rather than centered over it, making it specifically designed for end-of-beam applications where a standard centered column cap would not be appropriate. It is approved for column-to-beam connections in wood construction at the end of a beam run.