Get a front-seat view of our facility and hear from a few members of the CJWinter team. CJWinter® manufactures the premier line of thread rolling attachments, thread rolls, specialty dies and tooling for multi-spindle and CNC machines. Our products are found in traditional thread-rolling applications such as those used with multi-spindle screw machines, rotary transfer machines and CNC – lathes, as well as specialty applications like cold-root rolling used by the oil and gas industry and in industries using dedicated rolling, forming and shaping mills.