Superstrut 3/8 in. Square Strut Washer Silver Galvanized ...
1/2 in. Strut Channel Spring Nuts (5-Pack) The 1/2 in. Channel Spring Nuts (5-Pack) The 1/2 in. Channel Spring Nuts (5-Pack) are self-aligning nuts that provide resistance to pull out and side slip beyond the normal strength of the channels. The spring nuts feature alternate teeth, spaced and designed for a wedging action, that increase with pressure or load to reduce side slip.