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Home / Sewing & Embroidery Machines / Sewing Machine Large Bobbin Case Flatbed Synchronous Machine DY Machine GC6-5 6-7 Bobbin Case Heavy Duty Machine Bobbin Case Set Bobbin Accessories

Attributes

Brand -
Category Hardware & Tools / Sewing & Embroidery Machines
Origin -
Model Compatibility GC6-5, GC6-7, DY Series
Material High-Grade Steel Alloy
Bobbin Type Large Capacity Flat Bobbin
Machine Type Heavy Duty Industrial Flatbed
Finish Polished Chrome Plating
Thread Capacity Extended Run Time Design
Installation Direct Drop-in Replacement
Weight 0.35 lbs (approx. 160g)
Package Contents 1x Bobbin Case, 2x Spare Bobbins
Warranty 90-Day Manufacturer Defect Coverage

6 reviews

A

Anonymous

Mar 25, 2026

Rating: 4/5

Solid upgrade

Works exactly as described. The chrome finish is nice and resists rust well in my humid workshop. Only giving 4 stars because shipping took a little longer than expected, but the product itself is great.

A

Anonymous

Mar 21, 2026

Rating: 4/5

Good quality, slightly tight at first

The build quality is excellent and feels very durable. It was a bit stiff to insert the first few times, but after breaking it in, it works like a charm. Great value for the price.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect fit for my GC6-5

I was struggling with thread tension on my old case. This replacement fits perfectly and the stitching is now smooth and consistent. Highly recommend for anyone with this specific machine model.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Essential for heavy denim work

I sew heavy denim daily and needed a reliable bobbin case that wouldn't jam. This large capacity case handles thick threads without any issues. My productivity has increased significantly.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Great spare to have on hand

Bought this as a backup for my industrial setup. It matches the original equipment manufacturer specs perfectly. Peace of mind knowing I have a reliable spare ready to go.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Solved my tension headaches

My machine kept skipping stitches until I replaced the worn-out case with this one. The precision engineering is obvious; the tension dial responds accurately now. Very satisfied.

5 FAQ

Q: Can this handle metallic thread?

A: Absolutely. The polished interior surface reduces friction, making it suitable for metallic, nylon, and heavy cotton threads commonly used in embroidery and upholstery.

Q: Does this come with extra bobbins?

A: Yes, the set includes one large bobbin case and two compatible large flat bobbins to get you started immediately.

Q: Will this bobbin case work with a GC6-1 machine?

A: This specific case is designed for GC6-5 and GC6-7 models. While they look similar, the tension spring mechanism differs slightly for the GC6-1. We recommend checking your specific model number before purchasing.

Q: Is installation difficult for a beginner?

A: Not at all. It is a drop-in replacement. Simply remove the old case, clean the race hook area, and slide this new case in until it clicks into place. No tools are required.

Q: How do I adjust the tension on this case?

A: There is a small screw on the side of the case. Turn it clockwise slightly to increase tension and counter-clockwise to decrease it. Make small adjustments and test on scrap fabric each time.

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