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 DD
– Single thread chainstitch button sewing machine, for sewing on flat 2 and 4 button holes with direct drive motor. Optional clamps for shank-stay-wrapped buttons and snap fasteners available. Equipped with automatic underbed thread
trimmer.