Using a differential screw to make fine adjustments of about .0003″ per revolution. This may be used in a future project to adjust the tail stock of a O.D grinding device.
Tom’s video on differential screws differential screws https://www.youtube.com/watch?v=7RC8WL2ngfA&t=1199s
Robin’s video https://www.youtube.com/watch?v=4k261VAbWCU
Rupert Powell’s channel https://www.youtube.com/channel/UCbTMQzXEsqC5vFNAQWb7ofg
Ricard’s “Makin Sumthin From Nuthin” https://www.youtube.com/channel/UCsuJ_OqVw0LFXPbPwbZFW3Q