Bernina L 850 Air Thread Overlock Serger Machine
The Bernina L890, L860, and L850 are high-end air-threading sergers sharing similar mechanics and ease of use. The L890 is a top-tier combo machine (overlock/coverstitch) with a touchscreen, the L860 is an overlock-only machine with a touchscreen, and the L850 is a manual overlock-only machine without a touchscreen.
The BERNINA L 850 is a high-performance, Swiss-engineered 2/3/4-thread overlocker featuring one-step air threading for the loopers, designed for speed (1,500 stitches/minute) and ease of use. Key features include a large sewing space (5 5/8" to the right of the needle), a free arm, Micro Thread Control (mtc) for precise edges, and a swing-out presser foot for easy needle access.
Key Features and Benefits
- One-Step Air Threader: The looper threads are automatically positioned and threaded via the foot control, eliminating manual threading hassle.
- Total Stitch Control: All settings—stitch length, differential feed, cutting width, and tension—can be adjusted while sewing.
- Mtc (Micro Thread Control): Allows for fine-tuning the overedge thread amount with a simple knob.
- Generous Workspace: Offers a spacious workspace and a free arm for sewing cuffs and sleeves.
- Convenience Features: Includes a built-in needle threader, knee lifter (FHS), and a swing-out presser foot with automatic re-engagement.
- Easy Threading Path: Color-coded, one-path threading makes it easy to switch between, or set up, stitches.
Performance
- Speed: Operates at a maximum speed of 1,500 stitches per minute.
- Fabric Handling: Excellent for a wide variety of fabrics, from delicate to heavy materials, thanks to the adjustable differential feed.
- Versatility: The machine features an integrated 2-thread converter for flexibility in stitch types, including rolled hems.
- Needles: Uses standard household sewing machine needles.
The L 850 also includes an extension table for increased workspace, making it suitable for both professional and home use.
