This ZORO SELECT 5PWZ4 Bushing/Mandrel is a 1/4-20 bushing and mandrel set that can be used with the thread insert tools in the 5TUW2 and 5TUW3 series. It is designed to work with internal thread size of 1/4"-20. The steel construction makes it durable enough for frequent use. This bushing and mandrel set consists of a single piece, which has a coarse thread type. If you are looking for a bushing and mandrel set to use with your thread insert tools, then this ZORO SELECT product will be an ideal choice.. This item has been restricted from sale in the following state (s): []