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Here’s a detailed overview of the Singer HD6600 Heavy Duty Computerized Sewing Machine:
The SINGER® HD6600 Heavy Duty Computerized Sewing Machine is designed to be a robust and versatile tool for all your sewing needs. Here are the detailed features and specifications of this machine:
The Singer HD6600 is a versatile and powerful computerized sewing machine designed for both beginners and experienced sewers. Here are its key features and capabilities:

Key Features
- 215 Stitch Applications: This includes basic, stretch, and decorative stitches, providing a wide range of options for various sewing projects.
- 6 Automatic 1-Step Buttonhole Styles: Easily create buttonholes in one step, perfectly sized for your buttons.
- LCD Screen: Displays stitch number, settings, presser foot information, and more for easy navigation and selection.
- Needle Up/Down Function: Allows you to set the needle to stop in the up or down position, which is convenient for pivoting and detailed sewing tasks.
- Drop Feed: Ideal for buttons, free-motion sewing, and other specialized techniques.
- 6.4″ Sewing Space: Provides ample room (needle to tower) with a height of 4.6″, making it easier to handle larger projects.
- Top Drop-in Bobbin: Simplifies threading and allows for easy monitoring of the bobbin thread supply.
- Automatic Needle Threader: Quickly threads the needle, saving time and reducing eye strain.
- Powerful Piercing Power: Designed to handle thick fabrics or multiple layers with ease.
- Extra-High Sewing Speed: Enhances efficiency, allowing you to complete projects faster.
Included Accessories
- 5 Presser Feet: Enhances the machine’s capability to handle various sewing tasks.
- SINGER Class 15 Transparent Bobbins: Ensures compatibility and smooth operation.
Additional Information
- User-Friendly Interface: The machine’s touch-button stitch selection and clear LCD screen make it easy to use, regardless of your skill level.
- Durability and Performance: The heavy-duty construction ensures long-lasting performance, making it suitable for both home use and small business applications.
- Stitch Variety:
- Offers 215 stitch applications, including basic, stretch, and decorative stitches
- Features 6 one-step buttonhole styles for easy buttonhole creation
- User-Friendly Interface:
- LCD screen displays stitch number, settings, and presser foot information
- Touch button stitch selection for easy operation
- Convenient Features:
- Programmable needle up/down function
- Drop feed capability for buttons, free-motion sewing, and more
- Automatic needle threader for quick and easy threading
- Powerful Performance:
- Heavy-duty construction for handling thick fabrics and multiple layers
- Extra-high sewing speed for efficient stitching
- Ample Workspace:
- 6.4″ sewing space from needle to tower
- 4.6″ height for better fabric manipulation
- Bobbin System:
- Top drop-in bobbin for easy threading and viewing
- Uses SINGER Class 15 Transparent bobbins
- Accessories:
- Comes with 5 presser feet for enhanced capabilities
This machine is designed to be a true workhorse, combining the power needed for thick fabrics with the precision required for delicate work. Its computerized features and user-friendly interface make it suitable for sewers of all skill levels, from beginners to advanced users.
The HD6600 is particularly well-suited for those who work with a variety of fabrics and need a machine that can handle everything from lightweight materials to heavy-duty projects. Its combination of power, speed, and versatility makes it a valuable tool for both home sewers and small business owners engaged in sewing projects.
How Does the Automatic Needle Threader Work on the SINGER HD6600?
The automatic needle threader on the SINGER HD6600 simplifies the threading process, making it quick and easy. Here’s how it works:
- Raise the Needle: Ensure the needle is in its highest position by turning the handwheel towards you.
- Lower the Threader: Pull down the needle threader lever until it reaches its lowest position.
- Hook the Thread: Place the thread under the small hook (often referred to as the “duck head”) on the threader.
- Align and Release: Align the thread with the needle eye and release the threader lever. The threader will pull a loop of thread through the needle eye, which you can then pull through completely2.
Benefits of the Top Drop-In Bobbin System
The top drop-in bobbin system offers several advantages:
- Ease of Use: It is straightforward to insert and remove the bobbin, making it user-friendly, especially for beginners.
- Visibility: The transparent cover allows you to monitor the bobbin thread supply, preventing unexpected run-outs during sewing.
- Reduced Jamming: This system is less prone to jamming compared to front-loading bobbins, ensuring smoother operation.
Customizing Stitch Length and Width on the SINGER HD6600
Yes, you can customize the stitch length and width on the SINGER HD6600:
- Stitch Length: Adjust the distance between stitches using the controls on the LCD screen. The length can be set from 0.5 mm to 4.5 mm, depending on your project needs11.
- Stitch Width: For stitches that have width (like zigzag stitches), you can adjust the width to suit your design requirements. This is also done via the LCD screen controls11.
Functionality of the 6 Automatic 1-Step Buttonholes
The 6 automatic 1-step buttonholes on the SINGER HD6600 function as follows:
- Select Buttonhole Style: Choose one of the six buttonhole styles using the stitch selection buttons.
- Position Fabric: Place the fabric under the presser foot and align it where you want the buttonhole.
- Start Sewing: The machine will automatically sew the buttonhole in one step, ensuring consistent and precise results each time.
Types of Fabrics the SINGER HD6600 Handles Best
The SINGER HD6600 is designed to handle a wide range of fabrics effectively:
- Lightweight Fabrics: Such as cotton, silk, and chiffon.
- Medium Weight Fabrics: Including polyester, linen, and wool.
- Heavyweight Fabrics: Such as denim, canvas, and upholstery fabrics.
- Multiple Layers: The powerful piercing capability allows it to sew through multiple layers of fabric, making it ideal for quilting and heavy-duty projects
ros and Cons of the SINGER HD6600 Heavy Duty Computerized Sewing Machine
Pros
- Fast Speed and Ability to Sew Through Multiple Layers: The SINGER HD6600 offers extra-high sewing speed and powerful piercing power, making it ideal for sewing through thick fabrics and multiple layers with ease.
- Adjustable Decorative Stitches: With 215 stitch applications, including basic, stretch, and decorative stitches, you have a wide range of options to customize your sewing projects.
- Stainless Steel Bed Plate and Adjustable Presser Foot Pressure: These features ensure smooth fabric feeding and allow for easy sewing of different materials, enhancing the machine’s versatility.
- Comes with Many Extras: The machine includes built-in stitch patterns, a pull-out guide, and 5 presser feet, providing additional functionality and convenience.
Cons
- May Not Be Suitable for Truly Heavy Duty Jobs: While the machine is powerful, it may struggle with extremely heavy-duty tasks such as sewing through multiple layers of denim or leather.
- Price: The SINGER HD6600 is priced higher compared to other machines with similar capabilities, which might be a consideration for budget-conscious buyers.
Detailed Features and Benefits
Automatic Needle Threader
The automatic needle threader on the SINGER HD6600 simplifies the threading process:
- Raise the Needle: Ensure the needle is in its highest position.
- Lower the Threader: Pull down the needle threader lever.
- Hook the Thread: Place the thread under the small hook on the threader.
- Align and Release: Align the thread with the needle eye and release the lever, pulling a loop of thread through the needle eye for easy threading.
Top Drop-In Bobbin System
The top drop-in bobbin system offers several advantages:
- Ease of Use: Simple to insert and remove the bobbin.
- Visibility: Transparent cover allows monitoring of the bobbin thread supply.
- Reduced Jamming: Less prone to jamming, ensuring smoother operation.
Customizing Stitch Length and Width
You can customize the stitch length and width on the SINGER HD6600:
- Stitch Length: Adjustable from 0.5 mm to 4.5 mm.
- Stitch Width: Adjustable up to 7 mm for stitches like zigzag, allowing for precise customization12.
6 Automatic 1-Step Buttonholes
The 6 automatic 1-step buttonholes function as follows:
- Select Buttonhole Style: Choose one of the six styles using the stitch selection buttons.
- Position Fabric: Place the fabric under the presser foot and align it.
- Start Sewing: The machine automatically sews the buttonhole in one step, ensuring consistent results.
Fabric Handling Capabilities
The SINGER HD6600 handles a wide range of fabrics effectively:
- Lightweight Fabrics: Cotton, silk, chiffon.
- Medium Weight Fabrics: Polyester, linen, wool.
- Heavyweight Fabrics: Denim, canvas, upholstery fabrics.
- Multiple Layers: Capable of sewing through multiple layers, ideal for quilting and heavy-duty projects.
In summary, the SINGER HD6600 Heavy Duty Computerized Sewing Machine is a versatile and powerful tool, offering a range of features that cater to various sewing needs. Its user-friendly design, combined with robust performance, makes it suitable for both beginners and experienced sewers. However, it may not be the best choice for extremely heavy-duty tasks, and its price point is higher compared to some competitors.
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