This Ideal Vacuum Cube barrel type coupling draw bolt is used to join together the frames of two separate vacuum cubes to form a larger vacuum chamber configuration. A quantity of at least four draw bolts are needed to join two 6 x 6 x 6" Cubes. Larger Cube sizes require more draw bolts.

This is a quantity of 1 replacement draw bolt with nut and made of 304L stainless steel. Use it as a replacement for a lost or damaged one.