: Uses a single thread to create a secure loop, which is standard for button attachment.
: Essential for the longevity of the chainstitch mechanism. juq373
: Essential for maintaining high efficiency and clean finishes without manual cutting. : Uses a single thread to create a
: The series includes variations like the MB-373/BR-1 , which features an automatic button feeder to further automate the assembly line. 2. Essential Spare Parts and Components juq373