Heritage Stitch Systems Industrial Collection
Merrow 18-E Industrial 1/2 Flat Crochet Stitch Sewing Machine 3/8 –1/2 Seam Width
Merrow 18-E Industrial 1/2 Flat Crochet Stitch Sewing Machine 3/8 –1/2 Seam Width
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1/2 flat crochet
Product Specifications
| Specification | Details |
| Model / Series | Merrow 18-E (Flat Crochet) |
| Brand | Merrow Machine Co. |
| Seam / Stitch Type | Flat Edge Crochet Stitch (Blanket / Whip Stitch) |
| Seam Width Range | 3/8 to 1/2 (Standard: 1/2" / ~12.7 mm) |
| Stitch Range (SPI) | 3 to 8 Stitches Per Inch (Adjustable) |
| Operating Speed | 1,000 – 1,400 RPM (Standard: 1,200 RPM) |
| Number of Threads | 1 (Single Thread Crochet) |
| Feed & Drive Mechanism | Precision Cam-Driven with Latch Hook Looper System |
| Needle System | Merrow 10H / 10S / Standard 10 |
| Primary Applications | Fleece blankets, wool blankets, knit outerwear, shawls, throws & mittens |
Product Description:
The Merrow 18-E 1/2" Flat Crochet Stitch Machine is the global industry benchmark for creating authentic, heirloom-quality decorative edge stitching at high commercial production speeds. Engineered specifically to replicate the distinctive look and feel of artisanal hand-crocheted edges, this single-thread industrial machine finishes borders on fleece blankets, wool throws, stadium blankets, and luxury knit outerwear with unmatched consistency and strength.
Operating smoothly between 1,000 and 1,400 RPM, the machine produces an expansive 3/8" to 1/2" wide flat crochet stitch with user-adjustable density from 3 to 8 stitches per inch (SPI). Built on Merrow’s legendary proprietary cam-driven architecture—rather than standard piston-driven mechanisms—the 18-E delivers continuous, quiet, low-vibration performance and extended mechanical longevity under heavy industrial shifts. Its precision-engineered latch hook system guides heavy yarns, wool threads, or decorative cords around thick fabric edges cleanly without bunching, curling, or pulling, delivering clean edges that elevate the value of any blanket or garment.
Key Features:
- Handmade Crochet Aesthetic at Factory Speeds: Combines the visual appeal of traditional hand-stitched crochet with commercial output speeds reaching up to 1,400 RPM.
- Wide 3/8" to 1/2" Edge Coverage: Produces a flat, prominent decorative border that stabilizes thick textile edges while adding premium visual value.
- Adjustable Stitch Density (3–8 SPI): Easily modify stitch spacing to adapt from open, decorative shell looks to dense, protective perimeter finishes.
- Efficient Single-Thread Operation: Utilizes a single yarn or thread feed, eliminating tension balancing issues between bobbin and looper threads and drastically lowering setup and changeover times.
- Proprietary Cam-Driven Engineering: Cam-driven internal movement provides smooth motion, low thread breakage, and decades of reliable continuous use in high-volume production facilities.
- Versatile Heavy Fabric Handling: Glides through thick woolens, multi-layer polar fleece, chunky knits, sweaters, and felted textiles without distorting material edges.
Produces a 3/8 - 1/2 wide flat crochet stitch adjustable from 3 to 8 stitches per inch.
Shipping Policy
We offer insured delivery on all equipment. Most orders process within 3–5 business days, with estimated delivery timeframes varying based on product availability, freight scheduling, and delivery location.
Large and industrial machine systems ship via insured freight carriers and may require an adult (18+) signature upon delivery.
White glove delivery services may be available on select machine systems and locations for an additional fee.
For full details, please review our Shipping Policy.
Return Policy
Due to the nature of industrial sewing, embroidery, and quilting equipment, all returns require prior authorization and are reviewed on a case-by-case basis.
Return requests must be submitted within 30 days of delivery for evaluation and approval. Equipment must be unused, uninstalled, and returned in original packaging when applicable.
Approved returns may be subject to return shipping costs and restocking fees depending on the manufacturer, supplier, and condition of the item.
For warranty concerns, shipping damage, or defective equipment, please contact us promptly so we can assist with evaluation and resolution.
For full details, please review our Return & Refund Policy.