Threaded Spring Tube Inserts – Round Steel Single Spring Threaded Closure.

The 305 Series Round Steel Threaded Spring Tube Insert is a heavy-duty spring steel fitting featuring an expanding spring mechanism that provides a secure, tight internal fit within round tubing. Designed for use with adjustable levelling feet, it is available in a range of tube diameters with 6.4 mm (1/4"), 7.9 mm (5/16") and 9.5 mm (3/8") thread options, providing a strong, durable and reliable fastening solution for both light and heavy-duty applications.

Maumac® Components is part of Aerobolt's furniture hardware range.