Photo: Alfa
Alfa Alfa Overlock 8703
SewingSpecs does not sell and does not show shop prices: check the price where you buy.
This is a basic serger for someone sewing regularly: it overlocks and finishes edges with 2, 3 or 4 threads, with differential feed helping to keep seams flat on jersey. Stitch length runs from 1 to 5 mm, and cutting width is set with a dedicated control.
The upper knife is mobile and disengages when you only need to overcast without trimming. Threading follows a colour-coded path, and a needle threader is included among the accessories for anyone who would rather not thread by eye; tension for each thread, needles and loopers, is set with four separate dials. It reaches 1,300 stitches per minute.
It suits someone finishing everyday hems and seams, not someone looking for the automatic threading or self-setting tension of pricier models: every adjustment stays manual, a direct dialogue between dials and fabric.
Technical specifications
| Parameter | Value | Source |
|---|---|---|
| Power supply | 120 W | manufacturer website |
| Maximum threads | 4 | Declared by the brand |
| Stitch length (minimum) | 1 mm | Declared by the brand |
| Stitch length (maximum) | 5 mm | Declared by the brand |
| Needle threader | Manual | Declared by the brand |
| Retractable upper knife | Yes | Declared by the brand |
| Adjustable cutting width | Yes | Declared by the brand |
| Tension system | Manual dials | Declared by the brand |
| Maximum speed | 1300 spm | Declared by the brand |
Pros and cons
In favour
- The upper knife disengages when you only need to overcast without trimming.
- A needle threader is included among the accessories, for anyone who would rather not thread by eye.
- Four separate tension dials give direct control over every thread.
Worth knowing
- Tension is entirely hand-set across four dials to balance: there is no automatic setting.
- Needle threading stays manual, helped by an included tool rather than a built-in mechanism.
Similar machines to consider
Other products Alfa
Alternatives in the catalogue
Chosen by the declared use tier and footprint, not by price: we don't publish prices.
Simpler, entry level
The step up
Same tier, different manufacturer