bernette 48 FUNLOCK Serger & Coverstitch Combo

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Bernette 48 FUNLOCK

The bernette 48 FUNLOCK Serger and Coverstitch Combo delivers versatile 2-, 3-, 4-, and 5-thread stitching in one compact machine, making it easy to switch between overlocking, coverstitching, and combo stitches for professional results at home. Designed for sewists who want flexibility without a complicated setup, the bernette 48 FUNLOCK combines a full-featured serger with a capable coverstitch machine in one space-saving unit. Whether you're finishing raw edges, constructing stretch seams, or adding durable, polished hems, this combo machine handles it all with confidence. With a wide selection of utility and decorative stitches, it adapts beautifully to everything from lightweight knits to heavier fabrics, giving you clean, reliable results across a wide range of projects.

Ease of use is built right in. Color-coded thread paths simplify threading, while manually threading the needle helps guide the thread cleanly through the needle for a more controlled setup. Adjustable stitch length, cutting width, and differential feed let you fine-tune your seams for different fabrics and techniques, reducing puckering on knits and keeping woven fabrics feeding smoothly. A bright LED light illuminates the sewing area, and the sturdy presser foot system keeps layers evenly controlled for consistent stitch quality. Perfect for garment sewing, activewear, and home décor, the bernette 48 FUNLOCK Serger and Coverstitch Combo is a wise choice for sewists who want professional-looking finishes without juggling multiple machines.


2-, 3-, and 4- Thread Stitch Patterns

2-, 3-, and 4- Thread Stitch Patterns

Enjoy the freedom to tackle virtually any project with 2-, 3-, 4-, and 5-thread stitch capability and 23 built-in stitch patterns, including 15 overlock stitches, 3 coverstitches, 4 combo stitches, and 1 chain stitch. This well-rounded selection gives you the flexibility to create everything from narrow edge finishes and stretchy seams to durable coverstitches and professional-looking hems. Whether you're working with delicate knits, sturdy wovens, or layered fabrics, you can choose the stitch that best matches your fabric and technique, helping your projects look polished and hold up beautifully to everyday wear.

Color Coded Thread Paths

Threading a combo machine doesn't need to feel intimidating, and the color-coded threading paths make setup far more approachable. Each thread follows a clearly marked path, reducing guesswork and helping you thread the machine correctly the first time. This thoughtful design makes switching between serger, coverstitch, and combo stitches easier, saving you time and keeping frustration to a minimum so you can focus on sewing instead of rethreading.

Differential Feed System

Differential Feed System

Built-in differential feed gives you greater control over how fabric moves through the machine, helping you achieve smooth, professional seams across a wide variety of materials. Adjusting the ratio between the front and rear feed dogs allows the fabric to be gently stretched or gathered as it feeds. By turning the dial, you can fine-tune this movement to match your fabric type and sewing technique. It can also be used creatively to add controlled gathers or decorative ruffling. Whether you’re sewing jerseys, fleece, chiffons, or stable wovens, the differential feed helps your seams stay smooth, controlled, and perfectly suited to the fabric you’re working with.


Brightly Lit Work Area

The LED sewing light keeps your work area bright and easy to see, so you can stitch with confidence from start to finish. This clear, focused lighting helps reduce eye strain and makes it easier to monitor stitch formation, fabric edges, and thread flow. Whether you're working with dark knits or fine, light-colored fabrics, the well-lit sewing area allows for better accuracy and cleaner results.


Stitch Length Dial

Stitch Length Dial

Stitch length adjustment allows you to fine-tune how your seams are formed, giving you control over both appearance and durability. Shorter stitch lengths create dense, secure seams ideal for construction and areas that need added strength, while longer stitch lengths provide more flexibility for decorative finishes and lightweight fabrics. This control helps maintain smooth, even stitching across different materials, ensuring consistent results whether you’re working with knits, wovens, or layered fabrics.

1300 SPM

Cutting Width Dial

To help you achieve clean, balanced edges with every seam, adjust the dial to determine how much fabric is trimmed as you sew. Narrow settings work well for fine fabrics and rolled hems, while wider cutting widths accommodate thicker materials and heavier seams. Matching the cutting width to your fabric and stitch choice reduces bulk and creates polished, professional-looking edges that lie flat and wear well.

Knife Lever

Rolled Hem Selection

Switching from standard overlock stitching to a rolled hem is easy to manage and doesn’t require extra attachments, making it simple to add delicate, professional finishes to your projects. With a basic adjustment, the fabric edge is rolled and wrapped neatly with thread to create a narrow, clean hem. This finish works beautifully on lightweight fabrics like chiffon, organza, and voile, and adds a polished touch to napkins, scarves, ruffles, and garment edges. Moving between construction stitches and decorative finishing feels seamless, allowing you to expand your creative options without slowing your sewing process.


Built In Safety Switch

For added peace of mind, a built-in safety switch automatically prevents the machine from operating when the looper cover is open. This feature helps protect you during threading, cleaning, or maintenance by ensuring the serger cannot run while the loopers are exposed. Once the cover is securely closed, normal operation resumes, allowing you to sew with confidence. It’s a simple but important safety detail that supports safe handling and worry-free use, especially when making frequent adjustments.


Upper Looper Converter

Upper Looper Converter

An upper looper converter is an accessory for a serger that alters the upper looper's operation, enabling the machine to sew 2-thread overlock stitches instead of the standard 3- or 4-thread stitches. When the converter is engaged, it disables the upper looper by redirecting the thread path, so fewer threads are used while still forming a secure, balanced stitch. This is useful for lightweight fabrics, decorative edge finishes, and projects where you want a less bulky seam. Using the upper looper converter reduces thread consumption and creates a flatter, more delicate finish, making it ideal for fine materials, scarves, and specialty edging techniques.

Seamless Switching Between Serging and Coverstitching

Switching from serger to coverstitch on the bernette 48 FUNLOCK is designed to feel straightforward and manageable, even if you're newer to combo machines. Thoughtful details like the color-coded threading paths and dedicated cover and chainstitch components streamline setup, so you can move from seam construction to hemming with confidence. Instead of juggling multiple machines or dealing with complicated rethreading sequences, this machine keeps everything organized in one place. Each adjustment is clearly marked and easy to access, allowing you to focus on your project rather than the mechanics of the machine.

Built-In Accessory Storage

Built-In Accessory Storage

Frequently used tools and accessories are thoughtfully stored inside the looper cover, keeping the most important items within easy reach for threading, adjustments, and routine maintenance. Having these essentials right where you need them helps streamline your workflow and minimizes interruptions while sewing. Additional accessories are organized in a separate accessory box, providing a dedicated place to store less frequently used items while keeping your workspace tidy.


Included Accessories

Large Screwdriver, Oiler, x5 Spool Net, Spare Upper Knife, x5 Spool Cap, Brush, Elx705 Needle Set. Needle Threader/Inserter, Small Allen Screwdriver, Tweezers, Upper Looper Converter, x5 Spool Stabilizers, Dust Cover, Cut Off Bin, Cover/Chainstitch Insert, Standard Overlock Presser Foot


10-year limited warranty

Every bernette machine is backed by a BERNINA of America Limited Warranty, giving customers added confidence in the quality, durability, and long-term support behind their investment. The warranty includes 10 years of coverage on mechanical parts, along with 2 years on printed circuit boards and 2 years on electrical components. To activate the warranty, the machine must be registered with BERNINA of America within 30 days of purchase, either online or by submitting the warranty registration card. Warranty service is provided through authorized BERNINA dealers, ensuring professional support and genuine parts. Coverage applies to machines used for private, non-commercial purposes and protects against manufacturer defects when the machine is properly cared for and maintained. This comprehensive coverage helps protect your machine for years to come, so you can focus on creating with confidence.
View Full Warranty Document.


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Key Features

  • 2-, 3-, 4-, 5- Thread Overlock Stitches
  • 1300 SPM
  • 23 Stitch Patterns
  • Cutting Width Dial
  • Differential Feed Dial
  • 4.5mm Presser Foot Lift
  • Lower Looper Threader
  • Color Coded Threading Paths
  • Lay In Threading System
  • Adjustable Stitch Length and Width
  • LED Light
  • Built In Safety Switch
  • Overlock Seam Width 3-7mm
  • Coverstitch Seam Width 2.5/5.6mm
  • Combo Stitch Width 3-10mm
  • Rolled Hem WIdth 1.5mm
  • 4mm Maximum Stitch Length
  • Knife Drive From Below
  • 7 Step Presser Foot Pressure
  • Integrated Rolled Hem Lever
  • Retractable Thread Stand
  • Manual Needle Threader
  • Manual Thread Cutter
  • Large Cut Off Bin
  • 3.43" Work Area
  • Upper Looper Converter
  • Accessories In Looper Cover
  • 5 Needles

Additional Infortmation

  • Machine Dimensions Without Thread Stand: 14.2" x 11.8" x 11.4"
  • Machine Weight: 17.2lbs
  • Needle System: ELx705
  • To be more environmentally friendly, a printed manual is not included with the machine, but you can easily click here to view or download the complete digital manual.
  • Click here to view or download the Serger Mastery Workbook, filled with helpful guidance to walk you through the basics of your new machine and get you sewing with confidence.
  • Click here to view or download the Coverstitch, Chainstitch, and Combo Stitch Mastery Workbook, filled with helpful guidance to help you navigate your machine's features and maximize creativity.

Manufacturer's Limited Warranty

✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment

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