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Leathercrafttools.com Pricking Irons / Diamond Hole Punches Question...


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Posted

Ok, so I was going to order one or two of these from them, but I am having a hard time converting their"pitches" to actual stitches per inch.

If any of you all understand this, can you please tell me what pitch size of theirs would be roughly equivalent to 6tpi? Also, is 6tpi a good all around hole spacing for wallets and small pouches/sheaths? Or should I go with a different hole spacing? I would like to use a nice thread on the heavy side that will show up well (contrasting stitching)

Thanks for any help on this...

p.s. If anyone could have a look at their thread selection and let me know if you see anything comparable to Ritza/Tiger thread, that would help a lot too...thanks for...,

Posted (edited)

Ummm who is "them"? I cant find a link or name.

OK its in the title. Never liked when the information is not repeated in the body of the text. dont mind me Im grumpy tonight.

The "pitch" represents the distance between each prong tip. For example, as for 3mm-pitch tool, the every prong tip is 3mm apart from each other. Please keep in mind that the pitch has relevance to the prong size too. The greater numbered pitch tool has the somewhat thicker prongs.

prong thickness is 1.5mm thick on a 4 prong. the rest is math to convert to SPI

Edited by mlapaglia

The key to immortality is first living a life worth remembering.

Bruce Lee

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Posted

God, it would be nice if this forum software worked the way it's supposed to. Grrrrrrrrrr.......

http://www.leathercrafttools.com/tools/punch/diamond-hole-punch/list.jsp

Sorry...I don't think I should have to type out an entire URL and not be able to paste it (ctrl-V) nor use the stupid "link" icon. I find it hard to believe that neither of those work. Anyway, I am done ranting now. :(

Posted

one inch is 25.4 mm

6 stitches in an inch is them 25.4/6=4.23 4.23 mm prong to prong

The width of the prong is half of the space and the gap is half if the space, so divide 4.23 in half and you have 2.11

you want a 2mm to get similar size to what you are looking at.

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Posted

TX, to put it a little simpler the pitchis the number of teeth or marks it will make , a 7P has 7 teeth and will make 7 marks. The number of stitcheds will be one less then the number of teeth. So a 7P would make 6 stitches per inch.

Posted (edited)

TX, to put it a little simpler the pitchi s the number of teeth or marks it will make , a 7P has 7 teeth and will make 7 marks. The number of stitcheds will be one less then the number of teeth. So a 7P would make 6 stitches per inch.

OK, but I can buy an 8 tooth 3 pitch. That doesn't fit with your explanation. They even sell a single prong in 4 different pitches. "Available in 4 pitches (3, 4, 5, 6 mm)." So Im not sure your information is correct. I could be wrong but I do not believe I am.

Edited by mlapaglia

The key to immortality is first living a life worth remembering.

Bruce Lee

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