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Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: 510 thread specs
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Author Topic: 510 thread specs  (Read 16153 times)

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Offline kd0afk

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510 thread specs
« on: November 21, 2012, 01:45:46 PM »
Just got my 7mm-.5 tap in the mail and it only took 8 days from China  :thumbsup: I used to have the link to the Totally Wicked page that had that info but I have been banned on the TW forums because expressed the fact that they were giving me the runaround on the return of their POS Odyssey. They told me I could return it but dicked me around on the refund till after their massive 30% sale that was running at the time. I didn't flame anyone but I guess their attitude towards people doesn't stop with ECF.  :thumbsdwn: But it's all good.
(Rant done)
Anyway, I need to know the tap drill size for the 7mm-.3 tap to make 510 threads. Can't find that size in any screw tap chart.
Thanks.

Offline PoppaVic60

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Offline Breaktru

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Re: 510 thread specs
« Reply #2 on: November 21, 2012, 02:58:20 PM »
Hey, we should do a Poll on who got banned from what forum.
My 2 banned forums are:
1. TW
2. Vapor Gossip


You have been banned for the following reason:
No reason was specified.

Date the ban will be lifted: Never

Offline kd0afk

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Re: 510 thread specs
« Reply #3 on: November 21, 2012, 03:04:52 PM »
Oh yeah, I was banned on ECF too for posting pics of my ideas for a mod. I was kind of selling it so they banned me FOR LIFE!!! :begging: :laughing2:. Said that if I paid a $50 vendors fee I could get reinstated. Might just do that so I can sell on their forum. :beer-toast:

Offline Breaktru

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Re: 510 thread specs
« Reply #4 on: November 21, 2012, 03:15:37 PM »
I don't sell anything anywhere so not to be banned on ECF

On TW I asked why my support emails go unanswered on a product I bought. Bam, intant ban.

Vapor Gossip, have no idea. Nothing going on there anyway. The modders section has nothing.




"F" them both. They suck

Offline kd0afk

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Re: 510 thread specs
« Reply #5 on: November 21, 2012, 03:20:31 PM »
My reason was "rude on forums"

Offline kd0afk

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Re: 510 thread specs
« Reply #6 on: November 21, 2012, 03:28:31 PM »

Offline sterling101

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Re: 510 thread specs
« Reply #7 on: November 21, 2012, 03:40:37 PM »
Going on normal tap to drill dimension theory, for a M7x0.5 tap you should need a 6.5mm drill.
So, slightly more than a 1/4" but depending on the material you're tapping it should be ok :)

Offline kd0afk

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Re: 510 thread specs
« Reply #8 on: November 21, 2012, 03:49:54 PM »
Just found that 6.6 is the right choice. Thanks guys.

Offline CraigHB

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Re: 510 thread specs
« Reply #9 on: November 21, 2012, 05:00:31 PM »
The difference between the tap size and the hole size is your thread depth.  The ideal depth varies depending on the thread pitch.  With a 6.6mm hole, you have a .2mm thread depth which, of course, is correct for a .5mm pitch.  You can go smaller on the drill by a few tenths if you want, but don't go bigger.  With a softer material like brass, you can get away with it.  With something like stainless, you don't want to go any deeper on thread depth than you need to or the tap could bind.

Offline fsors

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Re: 510 thread specs
« Reply #10 on: November 21, 2012, 05:24:22 PM »
Thanks Craig going try that! ;cheers;

Online Dasen22

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Re: 510 thread specs
« Reply #11 on: November 21, 2012, 05:36:47 PM »
Yeah, I have broken a few taps in my day by using a drill slightly under sized on harden stock  :wallbash:

Breaktru Forum  |  eCigarette Forum  |  Modding  |  Topic: 510 thread specs
 

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