Thread Size Chart

Technical Support

Thread Construction & A&E Brand	Application Fabric	Fabric wt ( oz/sq.yds)	Fabric GSM (approx)	Tex Size	Avg. Breaking strength(Grams)	Needle Size (Metric /Singer)
Cotton wrapped poly core ,Brand: D-Core	Extra Light & Light	<4 to 6	<135 -205	T-24 T-30	1050 1500	65-70/9-10 75/11
	Medium	6 to 8	205-270	T-40 T-60	1900 2950	90/14 110-120/18-19
	Heavy	8 to 12	270-408	T-80 T-105	3600 4700	125/20 130/21
	Extra Heavy Wt.	12 & above	408 & above	T-120 T-150 T-180 T-240	5500 7300 8000 10400	140/22 180/24 200/25 250/27
Poly wrapped poly core ,Brand: Perma Core , Supra Seam	Extra Light	<4	<135	T-16 T-18 T-21	850 900 1000	55-60/7-8 60-65/8-9 65-70/9-10
	Light	4 to 6	135-205	T-24 T-30	1225 1650	65-70/9-10 75/11
	Medium	6 to 8	205-270	T-40 T-60	2100 3300	90/14 110-120/18-19
	Heavy	8 to 12	270-408	T-80 T-105	4100 5250	125/20 130/21
	Extra Heavy Wt.	12 & above	408 & above	T-120 T-150 T-180 T-210	6200 8300 9100 10000	140/22 180/24 200/25 230/26
100% Spun Polyester ,Brand : Perma Spun	Extra Light	<4	<135	T-18 T-21 T-24	650 750 900	60-65/8-9 65-70/9-10 65-70/9-10
	Light	4 to 6	135-205	T-27 T-30	1050 1200	65-75/9-11 75/11
	Medium	6 to 8	205-270	T-30 T-40	1200 1650	75-11 90/14
	Heavy	8 to 12	270-408	T-60 T-80 T-105	2450 3400 4400	110-120/18-19 125/20 130/21
	Extra Heavy Wt.	12 & above	408 & above	T-120 T-150 T-180 T-210	5200 6200 6800 8500	140/22 180/24 200/25 230/26