12639-001 Cage Nuts for TERAFRAME Cabinet System, # 12 , Pack of 25, Black

TeraFrame can be fitted with threaded or square-punched

equipment mounting rails. Use screws to secure equipment to

threaded mounting rails. Use cage nuts to secure equipment to

square-punched mounting rails. With square-punched rails, you

can change the thread (cage nut) to match equipment mounting

hardware requirements.