Shuttle Hook #DD1 (98622)
The Heart of the Timing System for Singer 45K Heavy-Duty Machines

Restore the legendary stitch reliability of your machine with this Shuttle Hook (Part #DD1). As the primary oscillating component for the Singer 45K series, this shuttle is responsible for catching the needle loop and forming the lockstitch. For heavy-duty applications like leathercraft and upholstery, a high-precision shuttle is non-negotiable for consistent performance.

This part is the authentic replacement for part numbers DD1 and 98622.

Compatible Singer Models:
This shuttle hook is specifically engineered for the Singer 45K Class heavy-duty industrial machines, including:

Singer 45K1

Singer 45K5

Singer 45K21

Singer 45K25

Singer 45K68

Singer 45K91

Key Features:
Dual Part Number Compatibility: Direct replacement for original part numbers DD1 and 98622.

Hardened Tool Steel: Forged from premium materials to resist the heat and friction generated by high-speed sewing through dense materials like saddle leather and heavy canvas.

Precision Point Hook: Features an accurately ground hook point designed to catch the thread loop perfectly every time, virtually eliminating skipped stitches.

Balanced Weight Distribution: Engineered for smooth oscillation, reducing machine vibration and noise even during high-torque operation.

High-Polish Raceway: The smooth, mirror-finish surface prevents thread snagging and ensures the thread passes around the bobbin case without friction.
Shuttle Hook #DD1 (98622)
The Heart of the Timing System for Singer 45K Heavy-Duty Machines

Restore the legendary stitch reliability of your machine with this Shuttle Hook (Part #DD1). As the primary oscillating component for the Singer 45K series, this shuttle is responsible for catching the needle loop and forming the lockstitch. For heavy-duty applications like leathercraft and upholstery, a genuine, high-precision shuttle is non-negotiable for consistent performance.

This part is the authentic replacement for part numbers DD1 and 98622.

Compatible Singer Models:
This shuttle hook is specifically engineered for the Singer 45K Class heavy-duty industrial machines, including:

Singer 45K1

Singer 45K5

Singer 45K21

Singer 45K25

Singer 45K68

Singer 45K91

Key Features:
Dual Part Number Compatibility: Direct replacement for original part numbers DD1 and 98622.

Hardened Tool Steel: Forged from premium materials to resist the heat and friction generated by high-speed sewing through dense materials like saddle leather and heavy canvas.

Precision Point Hook: Features a razor-sharp, accurately ground hook point designed to catch the thread loop perfectly every time, virtually eliminating skipped stitches.

Balanced Weight Distribution: Engineered for smooth oscillation, reducing machine vibration and noise even during heavy-duty operation.

High-Polish Raceway: The smooth, mirror-finish surface prevents thread snagging and ensures the thread passes around the bobbin case without friction.

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.