SAFETY WARNING.......Please exercise caution and use good judgement when running a machine with a true screw on chuck in reverse. Excessive spindle load with the machine in reverse could potentially unscrew your chuck causing damage and personal injury. Refer to your operator or machine manual for safety suggestions. Cam lock or keyed and collared chucks are the safest to run in reverse. This demonstration is for reference only and should be used at your own discretion.A short demonstration of a different way to run a single point thread on an engine lathe. This technique allows for the use of a positive stop without the worry of shearing off the lead screw shear pin. You can increase your rpm and avoid the stress of the split second half nut disengagement. You will never do threads the old way again! This was my first ever machining video, so please excuse the shaky nature of the material. Thanks.
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