Cold Forming Machines

Bolt formers, nut formers and 1-die and 2-die cold formers from Chun Zu, supplied by Cinco Industries.

Chun Zu has built cold forming machines for over four decades, with more than 10,000 machines shipped to over 50 countries. Cinco Industries supplies the Chun Zu lineup for fastener manufacturers, in models sized from small screws to large bolts and nuts.

The series are organized by the part you make. The CBF and CBP series are bolt formers and bolt part formers, and the CNF and CNP series are nut formers and nut part formers. Screws and other headed parts are formed on the 1-die 2-blow cold formers, the CH and CNH series, also known as single die double stroke (SDDS) machines. The 2-die 2-blow CDH series adds a second die for more complex shapes.

Open a series below to compare models, forging load, cut-off diameter and speed, then request a quote with your part details.

Chun Zu series

Choose a series to compare models and specifications.

CBF series bolt formers

Chun Zu CBF series bolt forming machines.

CBP series bolt part formers

Chun Zu CBP series bolt part forming machines.

CNF series nut formers

Chun Zu CNF series nut forming machines.

CNP series nut part formers

Chun Zu CNP series nut part forming machines.

CH series cold formers

Chun Zu CH series 1-die 2-blow cold forming machines.

CNH series cold formers

Chun Zu CNH series 1-die 2-blow cold forming machines.

CDH series cold formers

Chun Zu CDH series 2-die 2-blow cold forming machines.

Frequently asked questions

The CBF and CBP series are bolt formers and bolt part formers. The CNF and CNP series are nut formers and nut part formers.

A 1-die 2-blow cold former, also called a single die double stroke (SDDS) machine, forms the part in one die with two blows. The CH and CNH series are 1-die 2-blow machines for screws and other headed parts.

The 2-die 2-blow CDH series adds a second die for more complex shapes. Compare it with the 1-die series when your part needs more than a single die can form.

Send your part details, including the part type, its size and the production rate you need. Comparing forging load, cut-off diameter and speed on the series pages first will help narrow the choice.

Talk to a Cinco representative

Describe your parts and we will help you find the right machine.