09-07-2019, 07:59 AM
The Teflon that McMaster sells is quite hard. I have some, and while it machines fairly well, it's not soft, like Delrin.
I would think that you would want something softer for the packing, to kind of "squish" around the stem as you tighten the packing nut.
I would think that you would want something softer for the packing, to kind of "squish" around the stem as you tighten the packing nut.
Full of ideas, but slow to produce parts