The JET JWL1236-47 Lathe Lead Screw helps provide controlled linear movement of compatible lathe components during machining operations. Designed as a replacement lead screw, it works with the lathe’s drive mechanism to transfer rotational motion into precise movement of the connected assembly. A properly functioning lead screw can support smooth travel, consistent positioning, and re... https://www.wholetoolbox.com/jet-jwl1236-47-lathe-lead-screw/JWL1236-47.html