CJWinter is one of the world’s leading manufacturers of cold-displacement, cylindrical dies and attachments. CJWinter product ... s are found in traditional thread-rolling applications such as those used with multi-spindle screw machines, rotary transfer machines and CNC – lathes. CJWinter products and dies are also found in specialty applications like cold-root rolling used by the oil and gas industry and in industries using dedicated rolling, forming and shaping mills. read more