Simpson 8-3/4" Beam, 4x Post End Column Cap with SDS Screws (ECCQ94SDS2.5) - is a heavy-duty Simpson Strong-Tie column cap engineered to deliver strong, reliable column-to-beam connections in end-of-beam applications within wood construction. The extended seat design distributes beam loads across a greater bearing surface area beyond the column side, while included Strong-Drive SDS Heavy-Duty Connector screws allow for fast, high-strength installation with a lower profile than traditional through bolts.

Key Features

• Designed for strong column-beam connections in end-of-beam applications in wood construction
• Extended seat bearing surface distributes the load from the beam and provides additional support for the connection
• Strong-Drive SDS Heavy-Duty Connector screws provide a lower profile than standard through bolts
• SDS screws attach to a greater net section area of the column than bolt attachment normally entails
• Certified welds for confidence in strength and loading
• Uplift loads have been increased for earthquake or wind loading
• Diamond holes for temporary fastening
• Constructed from 3-gauge steel with Simpson Strong-Tie Gray paint finish
• Made in the United States

Specifications

• Model Number: ECCQ94SDS2.5
• Beam Width: 8-3/4 in.
• Dimension W1: 8-7/8 in.
• Dimension W2: 3-5/8 in.
• Dimension L: 8-1/2 in.
• Dimension H: 7 in.
• Material: 3-gauge Steel
• Finish: Simpson Strong-Tie Gray paint
• Compatible Post Size: 4x
• Country of Origin: United States

What's Included

• 14 - 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws for beam attachment
• 14 - 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws for post attachment

Options

• Contact us for Configurable Options and Special orders
  
• Straps may be rotated 90 deg.
  

Frequently Asked Questions

What type of fasteners are used with the ECCQ94SDS2.5, and are they included?

This column cap is installed using 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws. A total of 28 screws are included with the product - 14 for the beam connection and 14 for the post connection - so no additional fastener purchase is required for standard installation.

Why are SDS screws preferred over standard through bolts for this application?

The Strong-Drive SDS Heavy-Duty Connector screws provide a lower profile than standard through bolts and attach to a greater net section area of the column than a bolt attachment normally entails, resulting in a cleaner installation and strong, efficient load transfer.

What beam width is the ECCQ94SDS2.5 designed to accommodate?

This column cap is specifically designed for an 8-3/4 in. beam width. Key dimensions include a W1 of 8-7/8 in., W2 of 3-5/8 in., length of 8-1/2 in., and height of 7 in., making it suited for heavy timber framing applications using a 4x post.

Is the ECCQ94SDS2.5 rated for seismic or high-wind conditions?

Yes. Uplift loads for the ECCQ have been increased to address earthquake and wind loading requirements, and the column cap features certified welds for added confidence in strength. The diamond holes also allow for temporary fastening during installation, helping ensure proper alignment before final fastening.

Note: Product dimensions and/or Screw or Bolt holes may differ from picture.