#8/32 No Spring Channel Nut - Electro-Galvanized Strut Channel Nuts are used to join components to Strut Channel The lips of the channel fit against the indented ridges of the channel nut and are designed grip the channel. Channel Nuts without Springs are used with 1-5/8" wide channel and can be used with varying depths of channel. Use with Like Metal Hardware. Electro-Galvanized Steel should be used in interior applications where conditions are dry, and humidity is low.