Based on this product's specifications, here are some alternatives and similar models
Cage nut SCHROFF 21100-004 VE100, thread insert for rack mounting
Summary description:
SCHROFF 21100-004 VE100 cage nut designed as a threaded insert for secure rack or equipment mounting. Manufactured by SCHROFF, this component provides a replaceable threaded mounting point in equipment racks and panels. Suitable for fastening server units, modules or accessories where standard rack threads are required, offering practical maintenance and replacement benefits.