Learn more about dial thread????? شاهد !!!!حصريا لأول مرة علي اليوتيوب

Make a multi-start thread.
Learn more about dial thread.
In this video, we will create two types of multi-start thread and split by dial thread The first screw has a 3 1/5" thread It will be divided into four starts The second screw has a 2 1/4-inch thread, and four starts You will notice a difference in the technique of using the floss disc when
doing both
حصريا لأول مرة علي اليوتيوب والانترنت
فك غموض قرص الخيوط