B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
B21G1/00—Making needles used for performing operations
B21G1/02—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls
B21G1/04—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools