Strong-Tie ETB56S 9/16" Wire-Hole Cleaning Brush Head, Pkg 1 Deck Hangers but they are typically used

but they are typically used in framing or siding applications

Fully threaded from end to end

Available in level 2-6

Secure the base to the concrete with a recommended anchor

The 1-5/8" x 1-5/8" Solid Strut Channel 2 ft

Strong-Tie ETB56S 9/16" Wire-Hole Cleaning Brush Head, Pkg 1 Deck Hangers but they are typically usedSimpson Strong Tie ETBS wire hole cleaning brushes are excellent for cleaning drilled holes before installing adhesive anchors. This brush head is designed for use with the Simpson SET 3G adhesive. It allows for proper hole cleaning with a few brush strokes at embedments up to 20 times the anchor diameter. This product includes only the brush head. T handles, extensions, and brushes are sold separately. The T handle is required for use with all sizes