tapping a 223 case for the Hornady OAL gauge
- Thread starter rebs
- Start date
5/16" - 36 HSS Right hand Thread Tap with 7.3mm Drill bit https://a.co/d/iCbSOjf
Or a size L letter drill bit
Or a size L letter drill bit
LVLAaron
Gold $$ Contributor
If you don't have a drill press / lathe it'd be a lot easier to just buy the case?
And less expensive too
Raydee
Silver $$ Contributor
I just did a bunch on my mini mill using a standard sizing die to hold the case in place. If you use a once fired case, fired from the rifle you are using the gauge for then its supposed to be a little more accurate than using the case from Hornady. If you ship me a couple cases ( in case one gets messed up) I can thread them for you and ship them back as long as you cover the shipping.
rebs
Gold $$ Contributor
Thank you for your generous offer but another member has offered and he lives in the same city that I do
just sso offer a clue...having done this for 223, do all the work to the case prior to drill and tap. there aint much rim /groove left when the tap is done.
Raydee
Silver $$ Contributor
No problem, glad I could help out.
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