Introduction
Thank you for choosing the HONEYSEW 20mm Spool Caps. These accessories are designed to securely hold thread spools on your sewing machine, ensuring smooth thread delivery during operation. This manual provides essential information for the proper use and care of your new spool caps.
Product Overview
The HONEYSEW 20mm Spool Caps are small, circular plastic components designed to fit over the spool pin of your sewing machine. Their primary function is to keep the thread spool in place and prevent the thread from snagging or unwinding improperly during sewing. Each cap features a central opening and small prongs to grip the spool pin.

Image: Two HONEYSEW 20mm Spool Caps. These caps are essential for securing thread spools on compatible sewing machines.
Compatibility
These 20mm spool caps are compatible with a wide range of Husqvarna Viking and Singer sewing machine models. Please verify your machine model against the lists below to ensure proper fit.
Husqvarna Viking Sewing Machine Models:
- #1, #1+, 1100
- Designer SE, Designer I USB, Designer I ESS, Designer I, Quilt Designer II, Designer II, Quilt Designer
- Platinum 955 E, 950 E, Platinum Plus, Platinum 770, 775, Platinum 750 Quilt, 755 Quilt, Platinum 730, 735, Platinum 715
- Rose 600, 605, Iris, 400 Computer
- Scandinavia 400, 300, 200, 100
- Interlude 445, 435
- Lily 555, 550, 545, 540, 535, 530, 500
- Freesia 445, 435, 425, 415
- Lisa, Angelica, Viva, Victoria, 500
- Facette 500/400
- Prelude 340, 360, 350, 370 Prelude
- Daisy 335, 330, 325, 320, 315, 310
- Oscar, Sophia, Emma, Lena, Romeo, Juliet, Anna, Sarah
- 250, 230, 225/215, 210, 205, Jeans, Hugin, 350
Singer Sewing Machine Models:
- Featherweight C240
Installation and Usage
The HONEYSEW 20mm Spool Caps are designed for easy installation and use. Follow these steps to properly secure your thread spool:
- Identify the Spool Pin: Locate the horizontal or vertical spool pin on your sewing machine.
- Place the Thread Spool: Slide your desired thread spool onto the spool pin. Ensure the thread unwinds correctly for your machine's threading path.
- Attach the Spool Cap: Place the HONEYSEW 20mm Spool Cap onto the spool pin, pushing it gently until it rests against the side of the thread spool. The cap should hold the spool snugly but not compress it excessively, allowing the thread to unwind freely.
- Verify Security: Gently tug on the thread to ensure the spool cap is holding the spool securely and the thread is feeding smoothly without snags.

Image: Spool cap in proximity to a sewing machine. This demonstrates the typical placement of the spool cap on a sewing machine's spool pin.
Operating Instructions
Once installed, the spool cap works passively to manage thread delivery. Ensure the cap is always in place when sewing to prevent thread tangles, uneven tension, or the spool from falling off the pin. The cap helps maintain consistent thread flow, which is crucial for stitch quality.
Maintenance
These spool caps require minimal maintenance. To ensure longevity and proper function:
- Cleaning: Periodically wipe the spool caps with a soft, dry cloth to remove any dust or lint. Avoid using harsh chemicals.
- Inspection: Before each use, quickly inspect the caps for any cracks or damage. Damaged caps may not hold the spool securely.
- Storage: Store unused spool caps in a clean, dry place away from direct sunlight and extreme temperatures to prevent material degradation.
Troubleshooting
If you encounter issues while using the spool caps, consider the following:
- Spool Not Secure: Ensure the spool cap is fully pushed onto the spool pin and rests firmly against the thread spool. If the cap is too loose, it might be the wrong size for your spool pin or the cap itself might be worn.
- Thread Snagging: Check that the thread is unwinding smoothly from the spool and is not catching on the cap or the spool pin. Ensure the cap is not pressing too tightly against the spool, which could restrict thread movement.
- Cap Does Not Fit: Verify that your sewing machine model is listed in the compatibility section. If it is not, the 20mm size may not be appropriate for your machine's spool pin.
Specifications
- Product Name: HONEYSEW 20mm Spool Cap
- Model Number: 4123711-01
- Dimensions (approximate): 20mm diameter (0.79 inches)
- Material: Plastic
- Package Contents: 2 x Spool Caps
- Item Weight: 0.634 ounces (for the set)
Warranty and Support
HONEYSEW products are manufactured to high standards. For any questions regarding the use, compatibility, or replacement of your spool caps, please contact the seller or HONEYSEW customer support. Please retain your purchase receipt for any warranty inquiries.