In order to smoothly perform the maximum sewing speed of 5,500SPM (commercial speed is 5,000), it adopts a high-quality aluminum thread take-up level.

With the use of high-performance impeller pump, the durability of sewing machine on the internal moving parts was increased.

The ideal saw teeth movement and sewing system designed for the low-tension sewing minimized perkering and realize the elegant sewing results with the excellent straight sewing.

Through the thorough study on saw teeth movement, thread take-up level, needle rack, and thread control device, it is devised to realize the elegant sewing status without perkering for the ultra lightweight fabrics and new material task.(KM-250AU Series)

The trimming mechanism is devised to adopt special material-used movable/fixed mes to increase wear-proof and durability and facilitate the adjustment of trimming power.

The length of thread left on the needle after trimming is minimized and the shortest leftover thread is provided available among similar models.

Various peripherals are provided in order to enhance the productivity.

Reverse sewing button with soft touch and easy attachment feature.

The feed mechanism and sewing system is designed for the extensive purpose from medium weight fabrics to high heavyweight fabrics, and guarantees the strong sewing power and elegant sewing results.(KM-250B / KM-250 BH Series)

The increased thread take-up distance and a maximum thread length of 7MM will show the best performance for high heavyweight fabrics (KM-250B series)