The meaning of T BOLT is a bolt having a crosspiece for a head.
T-bolts are a fast and simple way to connect your accessories to your framework.
T Bolts are immensely useful when used in conjunction with extruded T track to fabricate a vast array of jigs and fixtures used in machining, work-holding or assembly. These T Bolts come in a variety of lengths and thread sizes and can be easily cut to any desired length.