Achieve Retail-Ready Hems with the Bernette Funlock B42 Coverstitch Machine

Bring commercial-grade garment finishes into your home studio with the Swiss-engineered bernette Funlock B42. As a highly specialized, heavy-duty coverstitch machine, it delivers beautiful, pristine 4-thread, 3-needle, and 2-needle coverstitches, alongside robust classic chain stitching. As an authorized Bernette dealer, World Weidner is proud to offer this specialized machine, combining industry-leading stitch precision with our hallmark lifetime technical support to help you achieve professional sewing results.

Designed to tackle everything from extremely stretchy activewear to delicate, lightweight knits without tunneling or puckering, the B42 is the ultimate companion to your standard sewing machine or serger. Whether you are stitching professional-grade activewear, durable children’s clothes, elegant necklines, or decorative flatlock seams, the bernette Funlock B42 ensures flat, even, and highly secure hems on every fabric type.

Choose One of the Following Bonus Packages!

Option 1: Serger Feet Kit Bundle

• Bernette 502040.55.74 6pc Serger Feet Kit

Option 2: Ultimate Presser Foot Combo Package

• Bernette Standard Presser Foot
• Bernette Elasticator Foot
• Bernette Piping Foot
• Bernette Beading/Sequin Foot
• Bernette Belt Loop Foot
• Bernette Hemmer Foot
• Bernette Blindstitch Foot
• Bernette Gathering Foot
• Bernette Ribbon-couching Foot
• Bernette Cording Foot
• Bernette Lace Foot
• Bernette Hemmer and Lace Foot
• Bernette Binder Attachment Unfolded Tape

Machine Specifications

Stitch Class 4-Thread / 3-Needle Coverstitch and Chainstitch MachineMaximum Speed 1,300 Stitches Per Minute (SPM)Coverstitch Widths 2.8 mm and 5.6 mmWorkspace Area 87 mm (to the right of the needle)Differential Feed External Adjustment, adjustable while stitchingBuilt-In Lighting Bright LED lightThreading System Color-coded paths & lower looper threading helperNeedle System ELx705 high-speed needles

Download Machine Manual

Warranty & Support Peace of Mind: This brand-new Bernette Funlock B42 is fully backed by the manufacturer’s standard factory warranty, covering defects in materials and workmanship. When you purchase from World Weidner, an authorized Bernette dealer, you also receive our lifetime expert technical assistance and project support.

FREE Bernette Coverstitch & Chainstitch Mastery Workbook Download

Learn to master your bernette b42 coverstitch step-by-step through practical, hands-on lessons with the official My Bernette CoverStitch / ChainStitch / Combo Stitch Mastery Workbook. Master fundamental looper setups, balancing tension, working with extremely stretchy fabrics, adjusting differential feed parameters, turning corners cleanly, and using specialized hemmer attachments.

Download Mastery Workbook

Main Features & Creative Benefits

Easy Threading with Color-Coded Paths

Threading a coverstitch machine has never been more straightforward. The bernette Funlock 42 simplifies setup using clear, color-coded threading paths alongside a highly intuitive lower looper threading helper mechanism. Simply follow the marked colored symbols to route your threads effortlessly, getting you back to sewing in record time.

Generous Working Area with Bright LED Illumination

Manage larger projects and heavy layers with confidence. With 87 mm (3.4 inches) of workspace to the right of the needle, this machine offers ample room to manipulate fabric for topstitching, binding, and standard hems. A brilliant, energy-efficient LED light directly illuminates your workspace, eliminating shadow strain and ensuring maximum visibility over every stitch.

High-Speed Performance and Precise Control

Complete your sewing projects in a fraction of the time. Regulated smoothly by a highly responsive electronic foot control, the bernette Funlock 42 achieves blazing speeds of up to 1,300 stitches per minute. Enjoy absolute stitch-by-stitch precision at low speeds or power through long, straight runs with consistent torque and impeccable stitch formation.

Convenient On-Board Tool Storage

Keep your essential accessories organized and within arm’s reach. The bernette Funlock B42 features integrated accessory storage compartments built directly inside the looper cover. Store tweezers, needle threaders, spare needles, and small screwdrivers right on the machine so you can maintain an organized, clutter-free creative environment.

What’s Included with the Machine?

Included Presser Feet

• Standard presser foot Cover

Tools & Accessories

• Screw driver (large size)
• Oiler
• Spool net (4x)
• Spool cap (4x)
• Brush
• Needle set (ELx705)
• Needle Threader/ Inserter
• Allen Screw Driver
• Tweezers
• Spool Holder (4)
• Dust Cover

Why Buy From World Weidner?

At World Weidner, we believe that purchasing a machine is just the beginning of your creative journey. As an officially authorized Bernette dealer, we are dedicated to helping you select the perfect tools and supporting you for years to come with our in-house, factory-trained technical staff. We carry a comprehensive range of matching Bernette Funlock B42 accessories, including specialized presser feet, heavy-duty and universal needles, high-quality sewing threads, quilting rulers, walking feet, extension tables, and other essential sewing notions to ensure you have everything you need. Shop with confidence knowing your investment is backed by lifetime technical support and a community of experts who share your passion for creating.

• 60-Day Money-Back Guarantee: We offer a generous 60-day full satisfaction and money-back guarantee for risk-free shopping on your machine.*
• Low Free Shipping Threshold: Enjoy free shipping within the contiguous United States on all qualifying orders over our low minimum threshold.
• Fast Order Delivery: Orders ship quickly from our central Oklahoma warehouse, usually arriving at your doorstep within 1 to 4 business days.
• Loyalty Rewards Program: Earn 5% back on every purchase online and in-store. These points can be saved up and redeemed for discounts on anything we carry.
• Referral Bonus Perks: Take advantage of our “Give $10, Get $10” program that rewards both you and a friend with coupons for future orders and accessories.
• Interest-Free Financing: We partner with popular payment platforms to offer flexible, interest-free installment payments at checkout so you can start creating today.
• Full Manufacturer Warranties: As an officially authorized dealer for every brand we carry, all machine purchases include valid, robust factory warranty coverage.
• In-House Customer Support: Our dedicated, knowledgeable team, including factory-trained service technicians, is available by phone, live chat, or email to assist with machine setup, scheduled maintenance, and project troubleshooting.
• Massive Interactive Showroom: Check out our 18,000-square-foot physical Creative Center in Oklahoma City for hands-on machine testing, direct support, and community classes.