What is the tensile strength? (don't reply if you don't know. "lots & lots" "heap plenty" and "pretty strong" are not answers.)

It’s a heap of plenty lots of strong! Buy it!

will this work in sewing machines?

Yes, it does. I use it on my Brother PQ 1500sl. You will need to increase the tension because it is thicker than regular thread. I use a size 18 Schmetz leather needle or the Hlx5 needle recommended for my machine.

How about telling us what Tex size the thread is? Thanks.

I compared this thread with small industrial spools and the closest match would be a 69 (tex70) .009 by dial caliper. Similar to jeans, jacket or vehicle upholstery thread. Most home machines should be able to handle this with the right needle. Works perfect for hand stitched repairs.

Would this be good thread to use for backpack repair? I carry a lot of books with me.

Yes it definitely would be.I used it to repair my sofa which gets a lot of use.The sofa material will give way before the the thread does.

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Coats & Clark Nylon Inc. Extra Strong Upholstery Thread, 150-Yard, Black, 9 Gram

Product ID: 134063187

Details

Brand
Coats & Clark
Colour
black
Item Weight
18 g
Material
Nylon
Product Care Instructions
Machine

🧵Bonded 3-ply nylon for unmatched strength

☀️UV & weather resistant for outdoor durability

🛠️Optimized for size 18 needles & longer stitches

S$26

Duties & taxes included

In stock

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Description

🧵 Elevate every stitch with strength that lasts and style that speaks.

TRUSTED QUALITY - Made in the USA by Coats & Clark, a leader in premium sewing supplies.
ENDLESS CREATIVITY - 150 yards of sleek black thread to elevate your upholstery, crafting, and repair projects.
UNRIVALED STRENGTH - Bonded 3-ply nylon thread engineered for heavy-duty upholstery projects.
WEATHERPROOF WONDER - Resistant to abrasion, mildew, and UV rays—perfect for both indoor and outdoor use.
PRECISION COMPATIBILITY - Designed for size 18 needles and longer stitch lengths to maximize stitch integrity.

Coats & Clark Nylon Inc. Extra Strong Upholstery Thread is a 150-yard, bonded 3-ply nylon thread designed for heavy-duty upholstery and crafting. It offers superior resistance to weather, abrasion, mildew, and UV damage, making it ideal for both indoor and outdoor projects. Compatible with size 18 needles and optimized for longer stitch lengths, this black thread combines durability with precision, backed by a trusted American brand.

Specifications

ASIN	B004BP43JE
Best Sellers Rank	#1,365,823 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,206 in Sewing Thread
Brand Name	Coats & Clark
Colour	black
Compatible Crochet Hook Metric Size	90 Millimeters
Compatible Crochet Hook US Size	I-9
Compatible Knitting Needle Metric Size	90 Millimeters
Compatible Knitting Needle US Size	18
Country of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (7,878)
Global Trade Identification Number	00073650797408
Item Weight	18 g
Manufacturer	Coats & Clark Inc.
Manufacturer Part Number	26527
Material Composition	nylon
Material Type	Nylon
Model number	26527
Number of Packs	1
Product Care Instructions	Machine
UPC	073650797408
Unit Count	150.00 Grams

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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