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Old 02-24-2011, 04:49 PM   #1 (permalink)
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Default Tap and Die (triple start threads) Group Buy - IS ON!

Tap and Die (triple start threads) group buy

I am organizing a group buy for a triple-start tap and die set from Tapco USA. The purpose of these tools to create cap threads with a triple-start feature. The measurements were taken from an "El Grande" kit and it is possible that the threads you create will be compatible with "El Grande" components. The 12mm thread size should be suitable for both large (#6) nibs and small (#5) nibs. This group buy is targeted to the more advanced penmaker and will require the use of a die holder (not available in this buy). Furthermore, additional taps and dies will likely be required to make a kitless pen using these tools. Based on Skiprat's recommendations, I decided to go with a TAPER style tap with 4 flutes.

The group buy will remain open through Thursday, March 3rd at which point I will place the order with Tapco. In order to reserve a tap and/or die, you will need to pay by this deadline. I may not receive the parts until early April based on their manufacture time quote and shipping via UPS ground.

To keep the prices lowest, we will require a minimum quantity of 24 taps and 12 dies to proceed with the buy. Based on initial interest, I don't anticipate there being a problem fulfilling the quota.

Due to the post-editing time limit, I will not be able to update this post. Please check the link here for up-to-date info and confirmed participants.


Specs of tap and die:
M12.0 x 0.8P x 2.4L triple start taper-style tap, Standard Class 6H, 4 Flute
M12.0 x 0.8P x 2.4L triple start 1" OD Round adjustable die

Note that this is not the same manufacturer used in the last group buy (previously we used e-taps.com). In contrast, these tools are manufactured in the USA and are about half the price. However, there may be some risk involved as there are no refunds and these are not the exact parts ordered in the previous 2 group buys.

I will accept payment via Paypal or personal check / money order. Send paypal payments to sales@silverlakewoodworks.com

Please specify your IAP username during the Payment process. Also double-check the address you use as I will be printing shipping labels directly from Paypal. Contact me via PM for personal check / money order address.

Prices (include shipping to me, tooling fees, and Paypal fees):

Tap: $43.80
Die: $54.33
Tap/Die Set: $98.13

Shipping/Insurance to you:

Priority Mail, tracking, uninsured: $5.00
Priority Mail, tracking, insured: $7.25

Priority Mail, no tracking, uninsured: $12.42
Express Mail, tracking, insured: $33.77

All Other Countries:
Priority Mail, no tracking, uninsured: $14.50
Express Mail, tracking, insured: $36.89


The tooling and shipping (to me) fees included in the price assume an order of 24 taps / 24 dies. If we exceed that quantity, I will donate the remaining funds to the IAP.

Thanks for participating!

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Old 02-24-2011, 05:02 PM   #2 (permalink)
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Payment sent.
Browse our vendor Catalog for your IAP code- we'd love your feedback.
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Old 02-24-2011, 05:20 PM   #3 (permalink)
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Payment sent

One of a kind pens & pen blanks.
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Old 02-24-2011, 05:22 PM   #4 (permalink)
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Originally Posted by turbowagon View Post
...... Based on Skiprat's recommendations, I decided to go with a TAPER style tap with 4 flutes.
Oh boy!!! I can hear the groans already Every time a blank goes 'crack' the air is gonna be blue with my name stuck in the middle of it.

My recommendation was based on the following logic.

4 flutes means 4 cutting edges now doing the work that 3 previously did so they should stay sharper longer.
4 flutes also is more space for the waste to get out.

The taper style takes several smaller cuts before it eventually cuts the individual thread to it's full depth. This is much less stressful on the blank than a plug tap which will try to cut a full depth thread almost within a turn or two. Yes, it does mean that you will have to thread the cap deeper, but that is the lesser of two evils.

I wish all of you the best of luck, but you must appreciate that there IS a learning curve and you WILL break blanks in the beginning.

There are plenty of 'threads' on threading here by me and several others, so please read them and ask if you are in any doubt.
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Old 02-24-2011, 05:35 PM   #5 (permalink)
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haha... sorry Skip. Didn't mean to throw you under the bus. I really appreciate your input, advice, and experience. And remember folks, first-and-foremost Skiprat recommended single start threads!

- Joe
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Old 02-24-2011, 06:06 PM   #6 (permalink)
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Joe, you and that Limey Rat convinced me!!!

I just Paypal'd you for a set ( Express/Tracking/Insured) so I can play too

( I did originally say in the PP note that I wanted the cheaper postage, but then changed it to the better one)

Last edited by skiprat; 02-24-2011 at 06:21 PM.
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Old 02-24-2011, 08:06 PM   #7 (permalink)
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Paypal sent for two sets. Thanks
Laser Inlay Kits, MTBC Bushings, Manufacturer of USA Made Pen Components, CNC Part Manufacturer, YAG Laser Marking on Metal, Laser welding, Product Design.
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Old 02-24-2011, 09:16 PM   #8 (permalink)
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Joe, pay-pal sent....

P.S. Skippy for your sake this better work........................, remember my uncle No fingers Vito?
Now I'm just one of the Guys. If your looking for the best merchandise at the best price's and service visit Niels and Debbie at

Last edited by OKLAHOMAN; 02-24-2011 at 09:39 PM.
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Old 02-24-2011, 09:37 PM   #9 (permalink)
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Joe, Pay-Pal sent. Thanks for doing this!!
Lyle Walden
Trophy Club, Texas
"Some times, it's easier to plow around the stump"
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Old 02-24-2011, 10:41 PM   #10 (permalink)
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I'm in!!
Dennis Cabell
Sterling Heights, MI
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