BS 473 / 377

BS 377
– Single thread chainstitch button sewing machine. This machine is equipped with quick stitch-shape
changing mechanism and with knot-tying mechanism to prevent the unraveling of stitches.
BS 473
– Single thread chainstitch button sewing machine, for sewing on fl at 2 and 4 button holes. Optional clamps
for shank-stay-wrapped buttons and snap fasteners available. Equipped with automatic underbed thread
trimmer.