Installing equipment in a rack with nontapped rails? Check out the Atlas Sound Rack Clip-On Cage Nuts, a 40-pack of silver cage nuts that are compatible with standard 10-32 screws. The cage nuts can also be used to mount accessories on horizontal struts or hat sections on the inside sides of racks.
Atlas Sound Clip-On Cage Nuts (10-32, Silver, 40-Pack)
40 Count #10-32 Clip-On Cage Nuts
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