I experienced this too but I didn’t worry about it too much because I believe you get the concentricity from how snugly the fat part of the ferrule fits inside the arrow, the threads just hold it on.
The next batch I built I actually just screwed the IW broadhead into the insert all the way...
Man if it is on your route I would’ve highly suggest Cole’s meat processing in pagosa springs. They make an amazing summer sausage “San Juan treasure”.
oh and It’s a taxidermy shop too
As new condition no scratches, currently set up at 73# and 30", would like to sell as equipped:
-Spot Hogg Fast Eddie XL 2 pin
-QAD IMX
-Tight Spot 5 arrow
-ABB Platinum strings
Paid a little over 2500 for everything, I have the original strings, box, and case, warranty card has not been...