ThomasPowers Posted November 27, 2020 Share Posted November 27, 2020 Well... Improvised Cone mandrel (L) and real cone mandrel (R)---recent addition from the hoard; I wanted one for a while but was too cheap to buy one; as the hoard was actually free after I sold the stuff I didn't need..... Note the improvised mandrel on the left is a penetrator tip from a ballistic missile and is STEEL and has a lovely ring! Improvised Mandrel 2 Made from a part of a large water valve: Improvised Cone Mandrel 3: interesting what you find at the scrapyard! (Note: no tip!) Smaller improvised cone mandrels: From the right: cone for wire rope joint---a bolt and a couple of nuts and it fits in the hardy hole, bull pin with end forged to fit hardy hole, steel test sample---they turn a cone to check grain structure from the outside in---welded to 1" sq stock, cone unknown, odd cone unknown. Quote Link to comment Share on other sites More sharing options...
Chelonian Posted November 27, 2020 Share Posted November 27, 2020 I made/found a cone mandrel a while ago from the base of a screw jack (the threads will be used as a replacement for a post vise). I don't use it much, but it is handy when needed. Quote Link to comment Share on other sites More sharing options...
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