Interior Fittings Fastening Components Various fastening accessories, such as captive nuts, U nuts, screws, and different mounting elements for convenient and efficient enclosure removal. Fastening Components Nuts For attachment to the enclosure or rail system punchings. Read more Fastening Components Screws Suitable for nuts or for the system punchings. Read more Fastening Components Mounting Components for Rail Systems Mounting components for rail systems. Read more Fastening Components Mounting Adaptor Mounting adaptor. Read more Fastening Components Kit for separate frame TS Kit for separate TS frame. Read more