Hello ornerynorsk,
From my hole drilling experience, I have to say you are right. We seem to have our best results with Guhring. I even send my dull bits to them for reconditioning. We have also started using their taps and endmills. From what I understand, Guhring manufactures their own...
I do a lot of hole drilling and was curious what you folks felt was the best drill company as far as quality and performance.
Thanks in advance for your replies.
Hi metalhead.
From my experience, you should get more holes than 18 per tap in 17-4Ph SS. Things to consider:
-use a straight flute, spiral point tap to help eject the chip through the hole. Make sure that the tap is fed far enough to get past the 3-5 threads of chamfer at the beginning of the...
