Attributes

Brand	-
Category	Hardware & Tools / Sewing & Embroidery Machines
Origin	-
Thread Type	Polyester Core Spun
Specification	403 (40/3)
Bobbin Style	Class 15 / SA156 Compatible
Length per Bobbin	Approx. 100 meters
Color Fastness	Grade 4-5 (High Resistance)
Tensile Strength	High Durability for Heavy Fabric
Surface Finish	Smooth with Silicone Coating
Heat Resistance	Up to 200°C
Package Quantity	12 Pre-wound Coils
Recommended Use	Quilting, Garment Construction, Embroidery

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Consistent tension

As a professional tailor, consistent tension is key. These coils deliver every time. They fit my industrial machines perfectly.

Anonymous

Mar 27, 2026

Rating: 5/5

Highly durable

Used this on denim and canvas without any snapped threads. The lock core design prevents unraveling when the spool runs out.

Anonymous

Mar 16, 2026

Rating: 5/5

No more lint buildup

I switched to this brand from a generic one and noticed significantly less lint in my bobbin case. The silicone coating really makes a difference.

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for my quilting projects

These bobbins are a lifesaver. The thread runs smoothly without breaking, even at high speeds. The 403 specification is exactly what I needed for my heavy-duty machine.

Anonymous

Mar 07, 2026

Rating: 4/5

Great for embroidery

The thread sheen is nice and it doesn't fray easily. Took off one star because the packaging was slightly crushed upon arrival, but the threads inside were fine.

Anonymous

Mar 05, 2026

Rating: 4/5

Good value pack

Solid thread quality for the price. I use these for daily garment repairs. One coil had a slight tension issue, but the rest were perfect.

5 FAQ

Q: Can this thread be used for leather crafting?

A: Absolutely. The 403 specification indicates a strong, multi-ply thread ideal for heavier materials like leather, denim, and upholstery fabric.

Q: Is the thread colorfast if I wash the finished garment?

A: Yes, our polyester thread has a color fastness rating of Grade 4-5, meaning it resists fading and bleeding during standard washing cycles.

Q: Are these bobbins compatible with Brother sewing machines?

A: Yes, these are Class 15 style bobbins which are widely compatible with most Brother, Janome, and Singer domestic models. Please check your specific model manual to confirm.

Q: Do these come in different colors or just white?

A: This specific listing is for the neutral white/cream variety. However, we offer a full spectrum color pack in a separate product listing on our store page.

Q: What is the exact length of thread on each coil?

A: Each pre-wound coil contains approximately 100 meters (109 yards) of thread, though slight variations may occur due to manufacturing tolerances.

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