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Stock up on hole plugs from Grainger to help create a finished appearance. Zinc-plated plugs can pop into place quickly and easily by hand. Expanding spring action helps hold fasteners securely. Nylon locking hole and knockout plugs can close up excess chassis holes, wiring outlets, and production access holes. Multiple locks can snap into panels from 1/64 to 1/8” thick without tools. Heat-stabilized nylon plugs can handle elevated temperatures. Shop Grainger for hole plugs today!