Form tapping titanium full#

make sure you use lots of tapping fluid union butter field works best then the emuge stuff. I never did one that small in 17-4 or 15-5 materials smallest I went was 2-56. 0481 its about the size of an 0-80 american. Is this amount of pain just what I need to live with tapping condition A 17-4 PH? Should I get better cut taps like Natchis or Guhrings? How many will I have to trash to dial in the process?Ĭan I realistically threadmill that deep? Can I do it on a 20 year old beater Haas Minimill with a 6 K spindle? So all you production threading gurus.what say ye? I helical milled the bores first (after pre-drilling them) so I'm down to 65% of thread already which is my lower acceptable limit.

The cut taps (I tried two different brands.no name from McMaster and Taylor taps) did not run in easily.I had to squeak them in an eighth of a turn at a time and it took forever as you can imagine. Since I'm gonna need to make these in respectable quantities (dozens) I need to find a better way that doesn't clinch my sphincter quite so hard as these ones did. So all has to be concentric (as good as I can realistically make it).

Form tapping titanium full#

They were the Devil's very own to tap.3 mm deep full threads because a shoulder bolt threads into these and is located by the recessed pocket you see. The problem is with the tapped holes they are M1.6 x 0.35 and they were put in with a cut tap. They will eventually be heat treated to condition H900.the stock is currently solution annealed (condition A). I have a project I've been working on and some of the parts are 17-4 PH.Īttached is a picture of two of the parts, and I have quite a few more to make.