Jamie Posted December 3, 2014 Report Share Posted December 3, 2014 Hi folks, I've got a Hornady Depth Gauge, with a modified .223 brass case. I wouldn't mind having a go at modifying a case for my .204 Ruger. Granted the modified cases don't cost a lot, but it's more a case of achieving something than just throwing a few quid at it.... I'm hoping as the .223 Is similar to the .204 they should need similar adjustments? However, I'm finding it difficult establishing some dimensions. Although for what it's worth, I've established a push bike hand pump adapter valve, (The car variety) fits the male gauge threads a treat! Joke and apart, to be exact, I need to know the thread size and pitch of the tap I need to modify the case internally, and what drill bit I need to use before tapping. Any constructive advice would be appreciated. Cheers Jamie Link to comment Share on other sites More sharing options...
L B Jefferies Posted December 3, 2014 Report Share Posted December 3, 2014 Possibly a 5/16x36 thread. When I was planning to make one, I couldn't find a tap for that size listed on the site I normally use. Link to comment Share on other sites More sharing options...
white van man Posted December 3, 2014 Report Share Posted December 3, 2014 I bought a tap,die and drill to make my own. The company were down on the south coast, I will check through my invoices tomorrow and get name and nos. Steve Link to comment Share on other sites More sharing options...
white van man Posted December 3, 2014 Report Share Posted December 3, 2014 Hi, Found it. Tracytools 01803 328 603 They are in Torquay. The guy is really helpfull ,they are an engineering co but he will know exactly what you want. The thread is: 5/16x36 UNS yes UNS I'd never heard of it. It is difficult to hold the case to drill and tap if you PM me your E-mail address I will send you a pic of what I made up. Have fun Steve. Link to comment Share on other sites More sharing options...
MrCetrizine Posted December 3, 2014 Report Share Posted December 3, 2014 I bought a tap off eBay for a few quid but couldn't work out a way to grip the case without a lathe. Mark (1967spud.com) did it for me for free as he's an awesome bloke. It was this one... http://www.ebay.co.uk/itm/5-16-36-UNF-HSS-Plug-Right-Hand-Tap-5-16-36-/250872007101?hash=item3a692309bd Link to comment Share on other sites More sharing options...
Chris-NZ Posted December 3, 2014 Report Share Posted December 3, 2014 Yeh, the cases can be a bit of a bee-atch to grip. Best to use a case fired in your own chamber. Link to comment Share on other sites More sharing options...
1967spud Posted December 4, 2014 Report Share Posted December 4, 2014 send em over we do em free of charge for you peep in it Link to comment Share on other sites More sharing options...
white van man Posted December 4, 2014 Report Share Posted December 4, 2014 I use a base plate drilled and tapped to accept a chuck from a battery drill, put the case in the (upside down) chuck. And drill with a pillar drill. I drill the case then put the tap in the pillar drill and turn by hand. Yep I know it's a case of a sledge hammer to crack a walnut, they are only about a fiver to buy or Spud will do them for free. But it's satisfying,and I'm also using cases fired in their chambers. Steve Link to comment Share on other sites More sharing options...
Jamie Posted December 4, 2014 Author Report Share Posted December 4, 2014 Thanks for all the replies, very much appreciated. Thanks for the offer to Mark, very generous. I think i'll have a play about, and go from there. Thanks all. Jamie Link to comment Share on other sites More sharing options...
Jamie Posted December 4, 2014 Author Report Share Posted December 4, 2014 send em over we do em free of charge for you peep in it I've failed........ Mark i'll pm you about it. Jamie Link to comment Share on other sites More sharing options...
1967spud Posted December 4, 2014 Report Share Posted December 4, 2014 pm back Link to comment Share on other sites More sharing options...
Jamie Posted December 4, 2014 Author Report Share Posted December 4, 2014 pm back Cheers Mark. I'll get them off in the post. Jamie Link to comment Share on other sites More sharing options...
Jamie Posted December 20, 2014 Author Report Share Posted December 20, 2014 Cheers Mark. I'll get them off in the post. Jamie Modified case arrived today. Thanks Mark, much appreciated. Jamie Link to comment Share on other sites More sharing options...
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