The 9033 Steel Bobbin is a high-quality industrial component manufactured in Taiwan, a global hub for precision sewing machine parts. Designed to the exact technical specifications of the Pfaff 91-000405-05, these bobbins are the "workhorse" standard for the Pfaff 138 zigzag and the Pfaff 463 high-speed lockstitch series.

Taiwan-made bobbins are widely recognized by technicians for offering a superior balance of durability and cost-efficiency, providing much tighter tolerances and better rotational balance than budget-grade alternatives.

Key Features & Performance
Taiwanese Manufacturing Standards: Produced using automated CNC turning, ensuring the bobbin is perfectly concentric. This eliminates "bobbin wobble" inside the hook, which can cause erratic tension at high speeds.

Hardened Carbon Steel: Crafted from high-tensile steel and treated for surface hardness. These bobbins are built to resist "crushing" or warping, even when wound with high-tenacity bonded nylon or polyester threads.

Orders are typically processed within 1–3 business days.

We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.

Free shipping is available on U.S. orders over $99.

Once your order ships, you will receive a tracking number by email.

For urgent orders or shipping questions, please contact us before placing your order.

We stand behind the quality of the products we sell.

• Genuine OEM parts are covered by the manufacturer's warranty where applicable.

• Aftermarket and generic parts are covered against manufacturing defects.

• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.

• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.

If you have any questions, our support team is happy to help before or after your purchase.