If diameter at the end to be threaded is greater than the optimal diameter, either sandpaper or a file may be used to bring the rod end to the optimal diameter. One easy way to accomplish a fast and even reduction in diameter is to put the rod into a drill motor to rapidly rotate the rod while removing material. Clamp a file in a bench vice such that the rounded portion of the rod can contact the file. Continually drive the drill motor and check the diameter intermittently as filing. {“smallUrl”:“https://www. wikihow. com/images/thumb/1/11/Ryguy_wikiHow_Project2_ChuckUpRod-1. jpg/460px-Ryguy_wikiHow_Project2_ChuckUpRod-1. jpg”,“bigUrl”:"/images/thumb/1/11/Ryguy_wikiHow_Project2_ChuckUpRod-1. jpg/640px-Ryguy_wikiHow_Project2_ChuckUpRod-1. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:640,“bigHeight”:480,“licensing”:"<div class="mw-parser-output">

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\nLicense: <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://creativecommons. org/licenses/by/3. 0/">Creative Commons</a>\n</p></div>"} {“smallUrl”:“https://www. wikihow. com/images/thumb/0/0d/Ryguy_wikiHow_Project2_DrillGrinding-1. jpg/460px-Ryguy_wikiHow_Project2_DrillGrinding-1. jpg”,“bigUrl”:"/images/thumb/0/0d/Ryguy_wikiHow_Project2_DrillGrinding-1. jpg/640px-Ryguy_wikiHow_Project2_DrillGrinding-1. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:640,“bigHeight”:480,“licensing”:"<div class="mw-parser-output">

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\nLicense: <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://creativecommons. org/licenses/by/3. 0/">Creative Commons</a>\n</p></div>"} {“smallUrl”:“https://www. wikihow. com/images/thumb/a/ad/Ryguy_wikiHow_Project2_AfterDiameterMeasure-1. jpg/460px-Ryguy_wikiHow_Project2_AfterDiameterMeasure-1. jpg”,“bigUrl”:"/images/thumb/a/ad/Ryguy_wikiHow_Project2_AfterDiameterMeasure-1. jpg/640px-Ryguy_wikiHow_Project2_AfterDiameterMeasure-1. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:640,“bigHeight”:480,“licensing”:"<div class="mw-parser-output">

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\nLicense: <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://creativecommons. org/licenses/by/3. 0/">Creative Commons</a>\n</p></div>"} If the diameter becomes less than the optimal range, efficacy will be reduced or it may become unusable.

Ensure the die is perpendicular to the rod and force is applied downward while rotating the die. Turn stock in direction of desired thread. Turn stock 1 full turn, then back off 1/2 turn to break off chips. If possible, use pressurized air to blow out the chips every turn. {“smallUrl”:“https://www. wikihow. com/images/thumb/c/c4/Ryguy_wikiHow_Project2_BeginTurnArrows-1. png/460px-Ryguy_wikiHow_Project2_BeginTurnArrows-1. png”,“bigUrl”:"/images/thumb/c/c4/Ryguy_wikiHow_Project2_BeginTurnArrows-1. png/712px-Ryguy_wikiHow_Project2_BeginTurnArrows-1. png",“smallWidth”:460,“smallHeight”:339,“bigWidth”:712,“bigHeight”:525,“licensing”:"<div class="mw-parser-output">

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\nLicense: <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://creativecommons. org/licenses/by/3. 0/">Creative Commons</a>\n</p></div>"} As the die becomes hard to turn, apply more lubricant through the middle of the die to the rod.