M6 fixing screw x 22 mm. Nickel-plated DIN 85 and galvanized M6 caged nut with steel cage. It is supplied in packages of 50 units. It is screwed with a Phillips-type screwdriver. The screw is supplied with nylon washer to protect the equipment installed in the cabinet. The cage of the female nut has clips for fixing to the frame rack 19 “on the back side.