20pcs M4 Carbon Steel Captive Cage Nut Brass Tone for Server Shelf Cabinet

Description: Carbon Steel constructed with Zinc Plated finish provides great corrosion resistance and antirust ability for a long service life. Square cage nut designed for racks and cabinets with square holes. Mounting your standard rack mountable equipment into a server rack or cabinet. Special tools are required to put the nut into the hole. Pre-drill a 9.5mm x 9.5mm hole, fits 0.8mm-2.5mm thickness panel. Features M4 inner square nut.

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