Bernette High Tension Bobbin Case for B70, B79

The Bernette High Tension Bobbin Case is a genuine bernette accessory designed for sewists and embroiderers who work with specialty threads or require tighter bobbin tension for decorative stitching and intricate embroidery designs. Compatible with the bernette b70 DECO and b79 models, this bobbin case gives you precise control over thread tension, helping you achieve clean, professional results on projects where standard tension settings fall short.

Key Features

• Engineered to deliver higher bobbin tension than the standard case, making it ideal for specialty and decorative threads that require a firmer hold.
• Produces consistent, even stitch formation on both sides of the fabric, reducing the need for mid-project adjustments.
• Designed specifically for use with the bernette b70 DECO and b79 sewing and embroidery machines for a guaranteed precise fit.
• Genuine bernette original part, manufactured to the same quality standards as the components installed in your machine at the factory.
• Installs quickly using the same process as the standard bobbin case, with no additional tools or setup steps required.
• Particularly effective for embroidery projects where bobbin thread must remain securely on the underside without showing on the top of the work.
• Durable metal construction stands up to regular use across a wide range of fabrics and thread types.
• Allows you to switch between standard and high-tension bobbin cases to match the demands of each individual project.

Specifications

The Bernette High Tension Bobbin Case is a practical addition for anyone sewing or embroidering with specialty threads on a bernette b70 DECO or b79 machine — it solves a real problem without requiring any machine adjustments or extra steps. bernette backs this machine with a 10-year mechanical parts, 2-year circuit board, 2-year electrical, and 1-year labor warranty. OSP Machines is an authorized bernette dealer and provides free support for the life of your machine.

Compatible Machines

• bernette b70 DECO
• bernette b79

Frequently Asked Questions

Which bernette machines is this bobbin case compatible with?

This high tension bobbin case is designed for the bernette b70 DECO and bernette b79 sewing and embroidery machines. It is not intended for use with other bernette models, so please confirm your machine model before ordering.

What is the difference between this high tension bobbin case and the standard bobbin case?

The high tension bobbin case applies more resistance to the bobbin thread than the standard case, which is useful when working with specialty threads — such as metallic, heavy decorative, or embroidery threads — that need a firmer hold to produce clean, balanced stitches. The standard bobbin case remains the right choice for everyday sewing with regular thread.

Do I need any special tools to install this bobbin case?

No. This bobbin case installs in the same way as your machine's standard bobbin case. Simply remove the standard case and drop in the high tension version the same way you normally would. No tools or machine adjustments are required.

Is this a genuine bernette part?

Yes. This is a genuine OEM bernette accessory, manufactured to the same quality standards as the parts installed in your machine at the factory. OSP Machines is an authorized bernette dealer, so you can be confident you are receiving an authentic product.

What warranty coverage applies to this bobbin case?

bernette backs this product with a 10-year mechanical parts, 2-year circuit board, 2-year electrical, and 1-year labor warranty. As an authorized bernette dealer, OSP Machines also provides free support for the life of your machine.