Groz-Beckert Asia Private Ltd supplies Button Sewing Machine Needles. Groz-Beckert Asia Private Ltd manufactures products on knitting machines and fabrics like knitting cylinders, sewing machine needles, knitting machine needles etc. The Button Sewing Machine Needles find application in semi or fully automatic function of button sewing Machines to guide the sewing thread through the holes of the button and into a penetration hole which becomes tighter with every stitch.