The Faithfull HSS Straight Flute Split Dies are versatile, general-purpose dies for threading rods. They are suitable for most materials and can be used for hand or machine cutting. Each die threads a male thread to its equal and opposite female thread. All dies should be used with the corresponding rod size to ensure both cutting ease and thread efficiency. These dies are made from high-speed steel with a bright finish and conform to ISO529.Size: M3Thread: 0.5Additional Information:• Thread Type: Split Die• Size: M3• Thread (mm): 0.5