[PSUBS-MAILIST] machining

[hank pronk via Personal_Submersibles]

I could machine a shaft with a shoulder on it to fit the threaded  hole nice snug, then use the shoulder to make a mark  on the hull to file an area for the o-ring to sit on.   I can try out my prussian blue paste stuff ;-)Hank 

    On Sunday, March 20, 2016 3:35 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 I  want to drill and tap a 1\2 inch fine thread hole in my sphere.  The penetrator has the o-ring grove  in it, so the sphere needs a flat spot for the o-ring to sit on and the flat spot needs to be square to the bore.Hank 

    On Sunday, March 20, 2016 3:10 PM, Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

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Sent: Monday, 21 March 2016 9:57 a.m.
To: 'Personal Submersibles General Discussion'
Subject: Re: [PSUBS-MAILIST] machining  Hi Hank,  The tool does not exist. A profiled drill could do the job. Maybe you can use a drill that is meant for allen screw pot holes.  Emile  Van: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] Namens hank pronk via Personal_Submersibles
Verzonden: zondag 20 maart 2016 20:00
Aan: Personal Submersibles General Discussion
Onderwerp: [PSUBS-MAILIST] machining  Hi All,I need machining info, I am looking for a tool (drill?)  that can drill a hole and make a o- ring seat at the same time.  Is there such a tool or do I make one?Hank
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