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Nice looking plates!! Hope you did them with CNC Lots of drilling and tapping otherwise Bill
Chris, I modified my drillpress with momentary switch that is foot operated. I also wired in a reversing switch. These two modifications allow me to power tap with it which speeds up tapping a part with many holes. I've use it to power tap 0-80 holes. I did this before I picked up a Tapmatic tapping head which just makes it ridiculously easy to tap a fixture plate.-Bob
It is an autoreversing clutched tapping head that can be mounted in any chuck or spindle. I use mine in my drillpress. I was fortunate to get mine with a toolbox purchase a few years ago. They are big bucks new. If you search YouTube, there are videos of them.Once it is set, you move the hole under the tap. Feed the tap with the quill to the drillpress' stop. The tap then self feeds to the required depth, then reverses and backs out on it's own. Then you move to the next hole and so on and so on. You can set it for through or blind holes. For it to work, spiral and gun taps are a must.-Bob