Description

elna eXtend 664PRO Overlock Machine

The elna eXtend 664PRO is a powerful mechanical overlock machine designed to simplify serging while delivering professional‑quality results. Built for speed, precision, and ease of use, the 664PRO allows you to cut, hem, and sew in one step, making it a dependable ally for garment construction and edge finishing.

Intuitive Overlocking with Program Guidance

An Elna‑exclusive built‑in program reference panel displays the recommended settings for each stitch program, guiding you step‑by‑step to set up the machine correctly. This thoughtful design removes the guesswork from serging and helps achieve consistent, professional stitches with minimal adjustment.

Versatile Stitch Programs & Threads

• 12 built‑in stitch programs
• 2‑, 3‑, and 4‑thread overlocking capability
• 1‑ or 2‑needle operation
• 4‑thread programs for safety seams, stretch knit, gathering, and wrapped stretch stitches
• 3‑thread programs for wide and regular overlock, narrow hem, rolled hem, and flatlock
• 2‑thread programs for rolled hem, overcast, and flatlock

Precise Fabric Handling & Stitch Control

Equipped with a 4‑piece feed dog system, adjustable differential feed, and presser foot pressure control, the eXtend 664PRO handles a wide variety of fabrics, from delicate materials like silk and jersey to thicker knits and layered seams.

• Adjustable stitch length: 1 – 5 mm
• Adjustable cutting width: 3 – 7 mm
• Adjustable differential feed: 0.5 – 2.25
• Manual thread tension control with automatic tension release device
• Lower looper pre‑tension setting lever for fine adjustments

Time‑Saving Features

• Easy‑threading system for the lower looper
• Color‑coded threading guides
• Tilting needle clamp for easier needle changes
• Built‑in 2‑thread converter
• Instant rolled hem device
• Movable cutting blade with cutting‑width control window
• Built‑in thread cutter
• Built‑in accessory storage on the front of the machine
• Waste tray included to collect fabric trimmings

Speed, Stability & Visibility

The eXtend 664PRO operates at speeds of up to 1,300 stitches per minute, offering fast and smooth performance with excellent stitch consistency. LED lighting illuminates the sewing area, while the machine’s durable construction ensures stable, low‑vibration operation.

Solid Construction & Practical Design

With a compact footprint and a weight of approximately 6.3 kg (≈13.9 lbs), the eXtend 664PRO balances portability with stability. A carrying handle, telescopic thread antenna, and four spool pins contribute to an organized and efficient sewing experience.

Ideal For

Sewists looking for a user‑friendly yet professional overlock machine that delivers clean edges, durable seams, and reliable results across a wide range of fabrics.