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Old 06-22-2017, 01:34 PM   #1 (permalink)
 
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Default Group Buy for Triple Start Threads

Is anyone interested in doing a group buy for triple start taps and dies to be used in kitless pen construction. I have received a quote from a e-Taps.com in Palm Beach, Florida for the following:

PRICES: TAPS:
M14.0x0.8Px2.4L triple start tap(s)as described above PLUG:
1 pc $256.50 2 pc $157.50 each 3-5 pc $119.25 each 6-11 pc $83.25 each 12-23 pc $55.00 each 24 pc ++ $48.00 each
M14.0x0.8Px2.4L triple start tap(s)as described above BOTTOMING:
1 pc $256.50 2 pc $157.50 each 3-5 pc $119.25 each 6-11 pc $83.25 each 12-23 pc $55.00 each 24 pc ++ $48.00 each

M13.0x0.8Px2.4L triple start tap(s)as described above PLUG:
1 pc $225.50 2 pc $162.50 each 3-5 pc $119.25 each 6-11 pc $80.75 each 12-23 pc $48.90 each 24 pc ++ $42.00 each
M13.0x0.8Px2.4L triple start tap(s)as described above BOTTOMING:
1 pc $225.50 2 pc $162.50 each 3-5 pc $119.25 each 6-11 pc $80.75 each 12-23 pc $48.90 each 24 pc ++ $42.00 each

M12.0x0.8Px2.4L triple start tap(s)as described above PLUG:
1 pc $224.95 2 pc $161.15 each 3-5 pc $118.55 each 6-11 pc $81.00 each 12-23 pc $49.70 each 24 pc ++ $45.00 each
M12.0x0.8Px2.4L triple start tap(s)as described above BOTTOMING:
1 pc $224.95 2 pc $161.15 each 3-5 pc $118.55 each 6-11 pc $81.00 each 12-23 pc $49.70 each 24 pc ++ $45.00 each

M11.0x0.8Px2.4L triple start tap(s)as described above PLUG:
1 pc $221.95 2 pc $159.25 each 3-5 pc $108.40 each 6-11 pc $75.50 each 12-23 pc $45.60 each 24 pc ++ $39.80 each
M11.0x0.8Px2.4L triple start tap(s)as described above BOTTOMING:
1 pc $224.95 2 pc $161.15 each 3-5 pc $118.55 each 6-11 pc $81.00 each 12-23 pc $49.70 each 24 pc ++ $45.00 each

DIES:
M14.0x0.8Px2.4L triple start die(s)as described above:
1 pc 167.00 2 pc $127.40 each 3-5 pc $93.80 each 6-11 pc $ 68.25 each 12-23 pc $ 61.50 each 24 pc +++ $59.90 each
M13.0x0.8Px2.4L triple start die(s)as described above:
1 pc 167.00 2 pc $127.40 each 3-5 pc $93.80 each 6-11 pc $ 68.25 each 12-23 pc $ 61.50 each 24 pc +++ $59.90 each
M12.0x0.8Px2.4L triple start die(s)as described above:
1 pc 167.00 2 pc $127.40 each 3-5 pc $93.80 each 6-11 pc $ 68.25 each 12-23 pc $ 61.50 each 24 pc +++ $59.90 each
M11.0x0.8Px2.4L triple start die(s)as described above:
1 pc 167.00 2 pc $127.40 each 3-5 pc $93.80 each 6-11 pc $ 68.25 each 12-23 pc $ 61.50 each 24 pc +++ $59.90 each

As you can see if we can get orders for 12 or 24 then the prices become extremely reasonable.

Please respond to the thread if interested and in what tap/die combination.

Last edited by eharri446; 06-22-2017 at 02:19 PM.
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Old 06-22-2017, 01:38 PM   #2 (permalink)
 
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I would be very interested in buying 12mm x 0.8 x triple start die, bottom tap and plug tap.

I hope this goes ahead.

Thanks for starting this, Elwin.

BTW, I do not understand the "2.4L" notation ... can you explain please.
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Last edited by magpens; 06-22-2017 at 01:43 PM.
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Old 06-22-2017, 01:55 PM   #3 (permalink)
 
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I am not exactly sure. I saw an explanation on it and will try to find it again and post it here.

I think that it refers to the .8 x 3. Where .8 is the threads per inch and 3 is the number of starts. However, I may be wrong.

Last edited by eharri446; 06-22-2017 at 02:22 PM.
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Old 06-22-2017, 02:31 PM   #4 (permalink)
 
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2.4L = the lead = the distance moved in one revolution.

In the case of 12 x .8 triple. You get the lead by multiplying starts by pitch.

0.8 * 3 = 2.4

At least that's what I always thought it meant.

Ed
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Old 06-22-2017, 02:51 PM   #5 (permalink)
 
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.... so it's the amount that the pen body advances longitudinally (lengthwise) as you screw it one revolution into the cap .... ? .... sounds like a correct and reasonable explanation ...

Thread pitch is 0.8mm, and there are 3 sets of threads. . If there were only 1 thread and you turned one rev, the advance would be 0.8mm.
But since there are 3 sets of threads, the effective pitch is 3 x 0.8mm, and so with 1 rev, the advance is tripled or 2.4mm.

I'll buy that !! . Seems like redundant information, but that's OK. . If it's "0.8mm pitch triple start" you technically don't need "2.4L".

Thanks
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Last edited by magpens; 06-22-2017 at 02:59 PM.
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Old 06-22-2017, 04:16 PM   #6 (permalink)
 
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Hi.
I would buy the M13 plug and bottoming taps and die.

Depending on the quantity/price we reach I am also interested in the same combination for M14 but I can't commit on those until we have an indicative price.

Thank you for your efforts.

Cheers,
Costin
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Old 06-22-2017, 04:25 PM   #7 (permalink)
 
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Default Yes, I'm interested

I would be interested in the 13x.8 tap and die for sure and possibly the 14x.8 as well depending on how far down the price might get. Thanks for initiating this. I hope it has enough interest.
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Old 06-22-2017, 05:25 PM   #8 (permalink)
 
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I would be interested in a m12 plug tap and die set as well as a m14 plug and die set if prices are in the +12 range.

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Old 06-22-2017, 06:07 PM   #9 (permalink)
 
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I would be interested in a 13mm and 12mm set


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Old 06-22-2017, 06:09 PM   #10 (permalink)
 
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Costin & Tim

The price quote that I was given would place the M13 taps in the $48.90 to $42.00 range each if we get 12 or 24 buyers.

The price for the M14 taps would be $55.00 to $48.00 each if we get 12 or 24 buyers.

The associated dies would be $ 61.50 to $59.90 each if we get 12 or 24 buyers.
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