The Sewing Place
Machine Talk => Machine Accessories => Topic started by: Sew What? on February 26, 2020, 20:49:59 PM
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Not sure where this should be posted so if it needs moving Mod alert.
I bought some bonded nylon thread as Im sewing Cordura. Ive been using 90 or 100 jeans needles just because thats all I had but wondered if theyre the right ones for the job. Im useless when it comes to deciphering thread sizes so any help would be great,
The thread is as in the pic below
(https://i.imgur.com/9mtEz1d.jpg)
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I can't read the Chinese - but #30 means it's size 30, though I don't know whether it means Tex 30 or Ticket 30.
Lots of info about bonded nylon thead at
https://www.thethreadexchange.com/miva/merchant.mvc?Screen=CTGY&Category_Code=nylon-thread-information (https://www.thethreadexchange.com/miva/merchant.mvc?Screen=CTGY&Category_Code=nylon-thread-information)
and at
https://www.sailrite.com/Selecting-the-Right-Thread-Size (https://www.sailrite.com/Selecting-the-Right-Thread-Size)
Bottom line - if the thread goes into the needle without difficulty and the tension settings are such that the stitches look good then continue to use the needles you have.
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#30 is Shun Mark's color code, BTW. So, researching this, from SM's main company page we get this:
http://www.sl-thread.com/en/products/product_25.html showing T-70, T-90, T-135, T-210, T-270 as weight. And we know this is the right product, because the other one is poly core, not nylon.
So now, which weight do you have? Well, another company has the same usage, but they use D Tex system. (The 150 is weight, the 3 is strands wrapped together).
https://www.amazon.com/Upholstery-Outdoor-Drapery-Beading-Luggage/dp/B01C26BBI4?th=1
In the Q&A they say it's T92...but now Shun Mark doesn't have that, but they do have T90, so you can assume that SM will be in the same range, which leaves you with the T90.
So now you have the Tex, find the needle.
https://www.tolindsewmach.com/thread-chart.html
On that you see a 19/120 for the T92, so you have a needle size. (18 or 20 is going to be the easier to find, though, but you now have a range of sizes.)
So, what are you sewing? Canvas? Outdoor furniture covers? Marine stuff? Well...
https://www.sailrite.com/Notions/Sewing-Needles/Sewing-Machine-Needles
And that explains the different types and what you may need to choose from there to find the right needle.
In a tl; dr, researching shows it to likely be T90, needle size 18 or 20 based on fabric and a sharps for general purpose.
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#30 is Shun Mark's color code, BTW. So, researching this, from SM's main company page we get this:
http://www.sl-thread.com/en/products/product_25.html showing T-70, T-90, T-135, T-210, T-270 as weight. And we know this is the right product, because the other one is poly core, not nylon.
So now, which weight do you have? Well, another company has the same usage, but they use D Tex system. (The 150 is weight, the 3 is strands wrapped together).
https://www.amazon.com/Upholstery-Outdoor-Drapery-Beading-Luggage/dp/B01C26BBI4?th=1
In the Q&A they say it's T92...but now Shun Mark doesn't have that, but they do have T90, so you can assume that SM will be in the same range, which leaves you with the T90.
So now you have the Tex, find the needle.
https://www.tolindsewmach.com/thread-chart.html
On that you see a 19/120 for the T92, so you have a needle size. (18 or 20 is going to be the easier to find, though, but you now have a range of sizes.)
So, what are you sewing? Canvas? Outdoor furniture covers? Marine stuff? Well...
https://www.sailrite.com/Notions/Sewing-Needles/Sewing-Machine-Needles
And that explains the different types and what you may need to choose from there to find the right needle.
In a tl; dr, researching shows it to likely be T90, needle size 18 or 20 based on fabric and a sharps for general purpose.
I think all I can say is thank you. Thats brilliant info.
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I tried to show how I came to the conclusion rather then be a know it all.