REGULAR QUALITY: These dies are most produced dies.Made from Tools steel which is done proper Heat-treatment and have Ground formed threads. These dies are suitable for rolling of all general fasteners having hardness up to 20HRC.These dies and reasonable life and performance.
PREMIUM QUALITY: As per its name,these are Premium products.Made from selected Tools steel material which is also subjected to special cycles of heat treatment.Premium dies have high hardness along greater toughness. These dies are specially developed to roll stainless steel fasteners. Fasteners having hardness up to 30 HRC can be thread rolled with these dies.