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  1. R

    Greenfield GTD Tap Handle No. 5 5B Thread pitch and Diameter of Jaw

    I have a Greenfield GTD Tap Handle No. 5 (also includes "5B"). It is currently missing the moving jaw. It has a reverse thread that threads into the handle. Curious if anybody has one of these and can pull the moving jaw out and share the Thread pitch and Thread Diameter? The fixed jaw comes...
    • russevertz
    • Thread
    • greenfieldd gtd tap tap wrench
    • Replies: 9
    • Forum: Tools
  2. R

    New Member and What is this?

    I found this at the junkyard and thought it was a water pump, but now I am wondering if it is a steam engine. I have heard that sewing factories had personal steam engines for each sewer. Any insight or internet links would be welcome. It is about 18 inches long with about an 8 inch flywheel...
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