PRO MIG Gas regulator adapter...

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I have some Q's, hope you guys can help me out...I went today to the welding shop and get the adaptor for my regulator kit, which my MIG included.Now...I´m on a dilemma.... (I don´t know the name of the parts so I´ll just call them as what they look like)...Regulator included a "bolt" adaptor which at the end has a spherical/conical end (you´ll see it on the pic, same as used in Oxygen tanks)...and a male nut at the end...Just like an Oxygen regulator...What they gave me for fitting into the CO2 was another bolt like but it ends flat. It has an octagon shape...and a female nut. Trouble: The bolt adaptor the regulator came wich is Fine thread...and a little bigger than the one I bought.... (on the nut it reads "Argon-Helium-Nitrogen- CGA 580")....Since the nut is male it won´t work in the tank (tank is male). Now, the parts I bought are CGA 320 and hole on the nut is a little smaller. Situation: Welding shops are closed by now...and I want to try this now...Could I just use the standard spherical/cone bolt and use the other nut (CGA 320) just making the hole a little bigger? Is it really neccesary to have the flat end? You could see in the pics what I meant...I´m really in the need to test my MIG now...But I sure want it to be safe...cause tank will be on my little room...PIC #1 shows the regulator...here you can see where the 580 Fine thread bolt should be inserted... Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:this is the "spherical/conical" bolt...and the male nut the standard Lincoln kit includes (CGA 580) Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:This is what I need to adapt to the tank I have... CGA 320...Bolt is a little smaller than the one Lincoln gave me... and nut is female type...As you can see it end flat and has an octagon shape.. Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:the 2 type of bolts...What I plan to do is use the spherical/conical that adapts to the regulator and use the other nut just making the hole a little more big. However only issue I can imagine is that CGA 320 ends flat and the other ends in the mushroom type end. Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:Last one...the 2 kits...however CGA 320 fits the tank but not the regulator...and CGA 580 the other way...Anybody?? Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:last pic..set-up on the left on the screen... i've never seen a set-up like that on the right for tanks.....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Here´s a shot of the tank.... Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:I ground the nut...and had the "bolt" of the regulator (the one the kit came with  the spherical and conical) inside of the nut... here´s a pic...Does it looks safe to use it? Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:When I was trying to see how it fitted I open  a little the valve...gas started to escape throu the corrrect path...So I said k let´s do this...now when adjusting the bolt to the regulator I broke the out gas line =( I think it´s time to take it easy on the gym...NOW I need a regulator =( that SUCKS!Thanks for the help anyway... Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:here´s the broken part...seems like its a no replaceable one Attached ImagesMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!
Reply:the first pic of the tank...wtf?looks like right handed threads on the outside..and left handed inside??thats what i see...????????????...zap!???????I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Originally Posted by zapsterthe first pic of the tank...wtf?looks like right handed threads on the outside..and left handed inside??thats what i see...????????????...zap!???????
Reply:Originally Posted by elvergonI ground the nut...and had the "bolt" of the regulator (the one the kit came with  the spherical and conical) inside of the nut... here´s a pic...Does it looks safe to use it?
Reply:Aye thnks chopper... Since I broke the regulator now I need a new one...so I´ll get the correct one ThanksMy Babies: HF Drill pressHF Pipe Bender3   4.5" Black and Decker angle grindersLincoln Electric PROMIG 175that´s it!