In many cases, the depth of knurl is pretty well set by the quality of the knurling tool. We all know how expensive all lathe tooling is and I
think a cut knurling tool, while very expensive, is the only way to go.I don't enjoy knurling especially when the item has had many hours of work on it...
You might give George a call.
http://www.taskled.com/
Super guy. He designed and built all the drivers that Bulk used. I agree with the guys above. Grounding is sometimes a problem.
Keep the posts coming. I always do a final pass with everything assembled. The parting line almost disappears. Also you can turn a groove on the parting line , and it disappears completely.
Below is a photo showing the 4 methods of in feed when threading. Which one you choose will depend on how fine or course the threads to be cut are. Photo from the Sandvic.folk.
Great UI. I made 3 lights with a side switch from George. Two were his standard side swith drivers as shown in the pic.
You might be interested in the link that is part of my signature below
To my knowledge you can not change the driver as its side switch is part of the driver. You might check with George, at http://www.taskled.com/
who made the drivers. The LED can be updated but I do not have the exact ones you can use. Its a great light. Good luck.
Internal threading is always going to be a tricky. That combination of a nice fitting thread and disengaging the half nuts. Well we have all been there. Your idea of reversing the lathe and threading from inside out has merit and will improve thread finish and lower your heart rate. How is your...
I arrived a few years after you and by that time Bulk had gone...... and set up his competing website. Shame, because he made some very nice lights and was responsible for introducing side switches on an LED flashlight.