Needle and Thread

	A	B	C	D	E	F	G
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2	Thread	Tex	Needle Size (Gutermann)	Needle Size (Forums)	Needle Type	Use, fabric, etc	Breaking Strength (lbf)
3	Tera 80	35	70/10 to 90/14	70/10 or 90/14	Sharp	All purpose, fabrics 1.0 to 2.2, quilts, tarps, etc, 90/14 with XPac VX21	4.1
4	Tera 60	50	90/14 to 100/16	90/14 or 110/16		Backpacks, or light canvas (90/14)	6.1
5	Tera 40	75	90/14 to 110/18	90/14 to 110/18		Climbing slings, etc, Straps (100/16)	8.3
6	Tera 30	100	110/18 or 120/19
7	Tera 20	150	120/19 to 140/22
8	Tera 15	200	140/22 to 160/23
9	Tera 10	290	160/23 to 230/26
10	Tera 8	375	200/25 to 250/27
11	Tera 5	600	250/27 to 300/29
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13	Mara 220	13	60/8 or 65/9				0.9
14	Mara 150	20	65/9 to 70/10
15	Mara 120	25	70/10 to 80/12
16	Mara 100 (Sew All)	30	70/10 to 90/14	70/10 or 80/12	Sharp	Quilt seams & hems: M50/M90/1.1 rip (uncoated)	2.7
17	Mara 80	40	80/12 to 100/16
18	Mara 70	40	90/14 to 100/16	80/12 to 100/16	Sharp	Backpacks, structural seams, fabric heavier than 2.2, 90/12 for straps, etc	3.9
19	Mara 50	60	90/14 to 110/18	100/16		Straps, bartacks	5.3
20	Mara 30	100	110/18 to 130/21			Denim
21
22	Extra Strong M 782	80	90/14 to 110/18				8.2
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24	#46	45					8
25	#69	70	110/18 or 20		Sharp	XPac VX21, 1000d Cordura	11
26	#92	90	125/20				15
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28	Mettler Metrosene	32	80/12 or 90/14				3.4
29	Mettler Extra Strong	83	90/14				8.8
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