12Pcs Square Tube Inserts with M8 Thread, for 0.79"x0.79" OD Square Tube, Black Plastic Square End Cap Caster Insert Chair Leg Tips Furniture Feet

General Description Square tube inserts are designed to fit tubes with an outer diameter of 20x20mm (0.79"x0.79"). Made from black plastic, these threaded end caps come with an M8*1.25 thread, offering a practical solution for mounting casters or adjustable glides. They provide stable and modular support while protecting floors and reducing noise. Technical Specifications Material: Plastic Inner Height: 14mm (0.55") Overall Height: 18mm (0.71") Thread Size: M8*1.25 Overall Size: 20x20mm (0.79"x0.79") (LxW) Quantity: 12 inserts included Installation Installing the end caps is simple thanks to their integrated grooves. Just align them with the tube's grooves and tap them into place, ensuring a secure fit without the need for additional adhesives. Usage These end caps are ideal for various furniture items, including: Office furniture Mechanical appliances Machinery Shelving units TV stands Tables Beach chairs Desk legs