Needle # question

[Mike]

Ingot into this on my other thread. But i wanted fo grt more input
I ised to have
schmetz needles.
Nm 120 size 19
135x17
Sy 3355
Dp x 17

Now i have
Groz-Beckert
Nm 125/20
135 x17
Dp x17
The schmetz were size 19 and the groz were 20 when ordered.
What s
Do sll the numbers mean and what do you use with can as work and v92 thread?

[JDUpholstery]

I use Primarily size 20 with v92 thread, all the other numbers I am not sure exactly what they mean, just that different sizes for different machines, so could be length/girth, strength, etc...just get the right size 20 for the machine as the size (17, 18 20, 22, etc) is the needles eye size and corresponds to thread used

[Grebo]

How bored do you want to get.. ;D

http://www.groz-beckert.com/website/media/en/media_master_1209_low.pdf

http://www.groz-beckert.com/website/gbuk/en/smn.html#media

I use Groz Beckert.
I also use V92 antiwick thread, according to the blurb I should use #18 to prevent leaks.
So I use GB.
Nm 110/18
135 x 17
DP x 17
Sometimes #19 for strataglass & the like.
Suzi