Anachronist58 Posted May 25, 2020 Share Posted May 25, 2020 (edited) I have a six foot length of 3/4-10 threaded rod. Dad had it driven into the ground at the Old Place, to stake a tree. As I often clamp bolts in the "vise", I usually double-nut the bolt, and clamp on the nuts, to protect the thread, and to increase grip force. This rod is in need of Restoration: Just try running a nut three feet down that. Hence, the Split nut, to hold the rod securely, especially in a leg vise, whilst I treat it with 40% ascetic acid (strong vinegar), followed by a massive cup wheel. Works so well, I am sure that I will be using these for other work - think straightening threads on the press....... Robert Taylor Edited May 25, 2020 by Anachronist58 Post Assembly Quote Link to comment Share on other sites More sharing options...
Irondragon Forge ClayWorks Posted May 26, 2020 Share Posted May 26, 2020 Excellent idea. I usually run a die a ways then two nuts locked together. This is a much better solution to protecting threads when a vise is needed to hold a rod or large bolts. Quote Link to comment Share on other sites More sharing options...
Anachronist58 Posted May 26, 2020 Author Share Posted May 26, 2020 Yes, IDF&C, this particularly rusty thread would take the bite right out of the only 3/4 - 10 die I own. I once made one of these with a hinge - hint: takes two nuts, or a competent weldor to build from a single nut... Robert Taylor Quote Link to comment Share on other sites More sharing options...
Glenn Posted May 26, 2020 Share Posted May 26, 2020 Wood jaw inserts in a vise hold the project tightly without marking the work. Softwoods work, hardwoods hold stronger. Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted May 26, 2020 Share Posted May 26, 2020 Al angle or copper jaw covers do a pretty good job too. I have some worn old dies; I keep around for "clean up jobs". Quote Link to comment Share on other sites More sharing options...
Anachronist58 Posted May 26, 2020 Author Share Posted May 26, 2020 I am a fan of wood, copper, and aluminium jaw covers, methinks I will make redundant sets of heavy copper covers, that I will not mind thrashing..... I must say though, that these split nuts have been a lot of fun to use, and were well worth my time to make. Robert Taylor Quote Link to comment Share on other sites More sharing options...
Anachronist58 Posted February 4, 2022 Author Share Posted February 4, 2022 Still loving these split nuts, they are fun... Robert Taylor Quote Link to comment Share on other sites More sharing options...
anvil Posted February 4, 2022 Share Posted February 4, 2022 Another use for a split nut is to forge weld the split nut to the threaded rod. Now you have a forged bolt, blacksmith made. Add a rosette to complete. Bring the rod to a welding heat. Screw or tap on the split nut. Close up the threads, flux and very quickly you are at a FW heat. Quote Link to comment Share on other sites More sharing options...
Scott NC Posted April 28, 2023 Share Posted April 28, 2023 This idea works well in the vise for holding, cutting and other work on extremely small screws and threaded objects as well if you have a need. I learned it from Rudy Kouhoupt doing small engines. Quote Link to comment Share on other sites More sharing options...
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