50/3 spun polyester sewing thread

A three-ply medium thread: smoother and rounder than two-ply of similar weight, for strong general seams and neat topstitching.

Get a quote for 50/3 on WhatsApp Calculate cones needed

Specifications

Count (Ne)	50/3
Material	100% spun polyester
Approx. Tex	Tex 35
Approx. ticket	80
Average breaking strength	1,430 cN (1.46 kgf)
Recommended needle	Nm 80–90 (Singer 12–14)
Cone length	on request
Shades	Any shade, dyed in-house in Lahore to your sample

Typical values. Strength and Tex are typical figures and vary slightly by lot, twist and finish. Please test on your own fabric and machines before bulk production.

Where 50/3 works best

Medium-weight garments: trousers, shirts and uniforms
Lockstitch seams that need extra strength without a heavy look
Neat visible topstitching on medium fabrics
Knitwear and fleece seams

Common questions

What is 50/3 sewing thread used for?

A three-ply medium thread: smoother and rounder than two-ply of similar weight, for strong general seams and neat topstitching. Typical uses: Medium-weight garments: trousers, shirts and uniforms; lockstitch seams that need extra strength without a heavy look; neat visible topstitching on medium fabrics; knitwear and fleece seams.

Which needle should I use with 50/3 thread?

Use Nm 80–90 (Singer 12–14). Pick the smaller size for lighter fabrics and the larger size for heavy fabrics.

What is the Tex and ticket of 50/3?

50/3 spun polyester is about Tex 35, roughly ticket 80. Exact values vary a little by twist and finish.

Can you dye 50/3 to my shade?

Yes. We dye in-house and match your shade from a fabric swatch, thread sample or shade code.

Other counts: 20/2 · 20/3 · 40/2 · 50/2. See the full spun polyester range or our PolyCore (poly/poly core-spun) thread.

Size	Avg. strength (cN)	(kgf)	Recommended needle
Tex 18	910	0.93	Nm 65–75Singer 9–11
Tex 27	1,420	1.45	Nm 75–90Singer 11–14
Tex 34	1,780	1.82	Nm 80–90Singer 12–14
Tex 40	2,035	2.08	Nm 90–100Singer 14–16
Tex 60	3,170	3.23	Nm 100–120Singer 16–19
Tex 80	4,115	4.20	Nm 110–120Singer 18–19
Tex 90	4,400	4.49	Nm 110–130Singer 18–21
Tex 105	4,825	4.92	Nm 120–130Singer 19–21
Tex 120	6,110	6.23	Nm 120–140Singer 19–22
Tex 135	7,185	7.33	Nm 130–140Singer 21–22

Size	Approx. Tex	Avg. strength (cN)	(kgf)	Recommended needle
60/2	20	750	0.76	Nm 65–75Singer 9–11
50/2	24	890	0.91	Nm 70–80Singer 10–12
40/2	30	1,165	1.19	Nm 75–90Singer 11–14
34/2	35	1,430	1.46	Nm 80–90Singer 12–14
50/3	35	1,430	1.46	Nm 80–90Singer 12–14
30/2	40	1,695	1.73	Nm 90–100Singer 14–16
20/2	60	2,210	2.25	Nm 100–120Singer 16–19
20/3	90	3,625	3.70	Nm 110–130Singer 18–21