The track design lets the user choose from an array of ports for precise placement.E-TRACK 4 FOOT GRAY, PK6 With a steel construction the track allows additional bars to become attached to it.
6.3 & ASME B1. Size: #10-32 X 2-1/2 inchOval Head, Phillips DriveUse with nuts or pre-threaded holes of the same diameter & thread sizeOften used in machinery & appliancesNuts and washers not includedThread Type: Fine, Thread Class: UNF-2A, Point Style: BluntSpecification(s) Met: ASME B18.