TandyPro® Thread Rainbow Set

$22.04 ~~$34.99~~ In stock

TandyPro^® Thread is a bonded nylon thread produced from nylon 66 filament. Thread contains 4% Fi-100 silicone oil that is imported from Germany. The fibers are treated with a bonding agent as they are wound into the various sizes which coats the fibers and gives this thread added strength and reduced friction at the needle, resulting in smoother stitches.

Check out our Machine Needle & Thread Guide for more information about needles and thread sizing.

Specifications

Spool Weight: 1 oz. (28.35 g)
Thread Size: 138
Thread Size: 207
6 Spools

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Olivia ★★★★★ Oct 22, 2026

I was pleasantly surprised by how smooth this bonded nylon thread runs through my sewing machine—no fraying or tangling at all. That German silicone oil really makes a difference for keeping the tension even during long projects.

Leo S. ★★★★★ Oct 21, 2026

The colors are vibrant and the silicone oil in the fibers makes it glide through my leather like butter. I've already reordered two more sets for my workshop.

Joshua M. ★★★★★ Oct 20, 2026

I've been using this bonded nylon thread for leather projects, and the 4% Fi-100 silicone oil from Germany makes it glide through tough material without fraying. The color range in this set lives up to the rainbow name—each spool holds its dye evenly from start to finish.