Flagship high performance single step intelligent computer sewing machine
Rotational speed : 5000
Machine needle : DB*1#9-18
Needle gauge : 0-7
Foot Height : 5.5-15
Weight(kg) : 46kg

Round head buttonhole sewing machine(RJ-9820)




Buttonhole machine

Product name

Round head buttonhole sewing machine

Stitch type

Lock stitch



Number of stitches

Single needle

Number of machine heads

Single head

Number of lines

Single line

Scope of application

Thick and thin material

Driving form


Applicable Institute


Degree of automation

Fully automatic

Packing volume


Packing weight


Technical features:

1. This machine can be used for various purposes and different designs. Because it is a computer-controlled programmed sewing machine, the buttonhole shape can be set freely by pressing a button.
2. Compared with the traditional model, the small energy-saving direct drive motor can save more than 35% of the power consumption. At the same time, the maximum sewing speed is improved, and the production efficiency is improved.
3. Ff-9820 is the most energy-saving computer-controlled buttonhole sewing machine on the market.

Applicable object:

It is suitable for all kinds of buttonholes made of thin, medium and thick materials such as suits, Outerwear, overalls, trousers, etc.