My use of PVC (water/sewer pipe) is limited to a few pens. Cooking spray seemed to work as good as anything else I had when treading and cleans up easily.
Pete
Machine tapping PVC sheet with small blind holes
Re: Machine tapping PVC sheet with small blind holes
Cooking spray! Who'da thunked? I'll give it a go and thanks.
Dave
Dave
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Re: Machine tapping PVC sheet with small blind holes
I use Blaser Synergy 735 flood coolant for plastics and composites, it's oil free and Ph7.
Re: Machine tapping PVC sheet with small blind holes
The project is done and the results are in. The winning solution, in my case, is a spiral flute tap as suggested by Harold and the hands down winner on cutting oil is.......drum roll here........cooking spray as suggested by Inspector! I resisted the cooking spray as just too far "out there" until I'd exhausted the other alternative cutting oils that I had on hand. I did try wax, Transultex & Accu-lube. I didn't try the suggested Blaser Synergy 735 due to cost. The cooking spray never failed to produce a very nice thread. Again who'da thunked? I used Costco Kirkland spray. Cheap, my favorite price right next to free.
Thanks to all that contributed to this thread. I will not hesitate to ask for advise in the future should I get "up against it".
Dave
Thanks to all that contributed to this thread. I will not hesitate to ask for advise in the future should I get "up against it".
Dave
Re: Machine tapping PVC sheet with small blind holes
In the interest of fairness, it was Russ Hanscom who first mentioned the use of spiral flute taps. I just agreed, having an understanding of why.
H
H
Wise people talk because they have something to say. Fools talk because they have to say something.
Re: Machine tapping PVC sheet with small blind holes
You're right, Harold. I'd forgotten the original source of the spiral flute suggestion. Thanks to Russ for that!
Dave
Dave