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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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

🧵3-ply bonded nylon strength

☀️UV & weather resistant

🛠️150-yard heavy-duty length

$28.13

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧵 Sew Strong, Stay Stylish – The Thread That Holds Your World Together

TRUSTED BY PROS - Top-rated with 4.7 stars from nearly 8,000 users who demand strength and reliability.
PRECISION SEWING - Optimized for size 18 needles with recommended longer stitch length for flawless results.
UNMATCHED DURABILITY - Bonded 3-ply nylon thread engineered for maximum strength and longevity.
WEATHERPROOF PERFORMANCE - Resistant to abrasion, mildew, and UV damage—perfect for indoor and outdoor projects.
VERSATILE HEAVYWEIGHT THREAD - Ideal for upholstery, belts, and any demanding fabric repairs or crafts.

Coats & Clark Nylon Inc. Extra Strong Upholstery Thread is a 150-yard, 3-ply bonded nylon thread designed for heavy-duty sewing projects. It offers superior resistance to weather, abrasion, mildew, and UV exposure, making it ideal for upholstery and outdoor use. Recommended for use with size 18 needles and longer stitch lengths, this black thread combines professional-grade durability with trusted performance, backed by thousands of positive reviews.

Specifications

ASIN	B004BP43JE
Best Sellers Rank	#1,121,582 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,898 in Sewing Thread
Brand	Coats & Clark
Brand Name	Coats & Clark
Colour	black
Country of Origin	USA
Customer Reviews	4.7 out of 5 stars 7,888 Reviews
Global Trade Identification Number	00073650797408
Item Weight	18 g
Manufacturer	Coats & Clark Inc.
Material	Nylon
Material Composition	nylon
Material Type	Nylon
Product Care Instructions	Machine
UPC	073650797408
Unit Count	150.00 Grams

Reviews

B**I

Good strength

I used it for sewing my belt for a machine and it worked just fine

15.05.2024

N**.

Excellent, strong and durable

Very good product, amazing strength.

11.01.2022

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