absmiami Posted December 25, 2020 Share Posted December 25, 2020 Just now, absmiami said: Sherline sells knurls with 80 TPI but not 100. - which as you have discovered - is what is needed in this scale - who sells 100 TPI KNURLS and what tool holder do you use ... ? ? and happy holidays ... Quote Link to comment Share on other sites More sharing options...
Straightliner59 Posted December 25, 2020 Author Share Posted December 25, 2020 6 hours ago, absmiami said: Shearling sells knurls with 80 TPI but not 100. - which as you have discovered - is what is needed in this scale - who sells 100 TPI KNURLS and what tool holder do you use ... ? ? and happy holidays ... My knurl holder and the knurls are Sherline. I am sure that's where I found them. Quote Link to comment Share on other sites More sharing options...
absmiami Posted December 26, 2020 Share Posted December 26, 2020 Very Interesting Quote Link to comment Share on other sites More sharing options...
Straightliner59 Posted December 26, 2020 Author Share Posted December 26, 2020 7 hours ago, absmiami said: Very Interesting Yes, very odd. I am almost positive they are 100 tpi, because I remember doing the math in my head, thinking, "That's 1/4" in 1/25th scale. Perfect for blower drives!" Now, all I see on their site are 80 tpi. I wonder if I can see well enough to measure the teeth? Quote Link to comment Share on other sites More sharing options...
absmiami Posted December 26, 2020 Share Posted December 26, 2020 The tool itself should have Markings saying. ____. TPI. ... Quote Link to comment Share on other sites More sharing options...
absmiami Posted December 26, 2020 Share Posted December 26, 2020 MSC shows a straight knurl wheel with 100 TPI. But I don’t think it could be used with the sherline tool ... ? ? ... maybe get that with an MSC hand tool ... ? Quote Link to comment Share on other sites More sharing options...
Straightliner59 Posted December 26, 2020 Author Share Posted December 26, 2020 It says Form Roll EPS 4?0. It's probably 480, meaning 80 tpi. I'm not sure where I got the idea it was 100! Quote Link to comment Share on other sites More sharing options...
absmiami Posted December 27, 2020 Share Posted December 27, 2020 Well. It’s a good looking pump ... Quote Link to comment Share on other sites More sharing options...
Straightliner59 Posted December 27, 2020 Author Share Posted December 27, 2020 10 minutes ago, absmiami said: Well. It’s a good looking pump ... Well, thank you, Andy. Quote Link to comment Share on other sites More sharing options...
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