Chun Zu CNP Series Nut Part Forming Machines

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For over four decades, Chun Zu has been a leader in the cold forming industry, consistently pushing the boundaries of what’s possible in fastener manufacturing. Our CNP Nut Part Forming Machines are a testament to this legacy, offering unmatched versatility and precision in the production of complex components. Designed to meet the rigorous demands of the automotive and construction industries, the CNP series is your go-to solution for producing high-quality nut parts with exceptional accuracy.

Chun Zu’s CNP Nut Part Formers are engineered for versatility, capable of handling a wide range of materials and specifications. Whether you’re producing intricate components for automotive assemblies or durable fasteners for construction applications, our machines deliver the precision and consistency you need to meet industry standards. This versatility makes the CNP series particularly valuable in the automotive industry, where the ability to produce complex, reliable parts is crucial for safety and performance. In the construction industry, where fasteners must withstand harsh conditions and heavy loads, Chun Zu’s machines ensure that every component is built to last.

The advanced technology integrated into our CNP Nut Part Formers enhances production efficiency, reduces material waste, and allows for precise control over every stage of the forming process. This not only ensures superior product quality but also helps manufacturers in the automotive and construction sectors maintain a competitive edge by optimizing their production processes.

With over 10,000 machines shipped to more than 50 countries, Chun Zu has established a global reputation for excellence and customer satisfaction. Our CNP Nut Part Forming Machines are trusted by top manufacturers around the world for their durability, flexibility, and high-performance capabilities. When you choose Chun Zu, you’re choosing a partner dedicated to delivering the best cold forming solutions for your business.

Discover the versatility and precision of Chun Zu’s CNP Nut Part Forming Machines, and see how they can enhance your production capabilities in the automotive and construction industries.

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Review the specifications of our flagship models

No. of Forging Stations
Max. Forging Load (Kg)
Max. Cut-off Diam. (mm)
Max. Cut-off Length (mm)
Max. Speed (ppm)
P.K.O Stroke (mm)
K.O Stroke (mm)
Motor Power (hp)
Cut-off Die Diam. (mm)
Punch Die Diam. (mm)
Main Die Diam. (mm)
Machine Weight (Tons)
Open Upset Diam. (mm)
CNP-45S
5 24 Ø7 40 220 10 50 15 Ø24x35L Ø31x65L Ø38x85L 9 Ø10
CNP-65S
5 50 Ø10 45 180 15 60 25 Ø32x45L Ø40x90L Ø50x95L 14 Ø14
CNP-85S
5 75 Ø13 60 160 20 80 30 Ø42x60L Ø45x115L Ø60x115L 18 Ø18
CNP-105S
5 110 Ø16 60 150 21 80 40 Ø70x75L Ø60x115L Ø75x130L 22 Ø22
CNP-145S
5 190 Ø22 80 120 25 110 75 Ø70x100L Ø70x130L Ø94x220L 35 Ø32
CNP-165S
5 260 Ø26 80 100 35 110 100 Ø84x120L Ø85x160L Ø108x220L 52 Ø38
CNP-205S
5 390 Ø30 100 80 35 125 125 Ø94x130L Ø95x180L Ø125x200L 70 Ø44
CNP-255S
5 500 Ø35 140 70 40 150 175 Ø109x150L Ø120x230L Ø148x250L 110 Ø50
CNP-275S
5 730 Ø41 160 60 45 165 250 Ø129x180L Ø138x270L Ø178x270L 130 Ø60
CNP-305S
5 1,000 Ø48 180 50 50 185 300 Ø139x195L Ø158x290L Ø195x290L 190 Ø70
CNP-46S
6 24 Ø7 40 220 10 50 15 Ø24x35L Ø31x65L Ø38x85L 10 Ø10
CNP-66S
6 50 Ø10 45 180 15 60 25 Ø32x45L Ø40x90L Ø50x95L 16 Ø14
CNP-86S
6 75 Ø13 60 160 20 80 30 Ø42x60L Ø45x115L Ø60x115L 20 Ø18
CNP-106S
6 110 Ø16 60 150 21 80 40 Ø70x75L Ø60x115L Ø75x130L 25 Ø22
CNP-146S
6 190 Ø22 80 120 25 110 75 Ø70x100L Ø70x130L Ø94x220L 40 Ø32
CNP-166S
6 260 Ø26 80 100 35 110 100 Ø84x120L Ø85x160L Ø108x220L 60 Ø38
CNP-206S
6 390 Ø30 100 80 35 125 125 Ø94x130L Ø95x180L Ø125x200L 80 Ø44
CNP-256S
6 500 Ø35 140 70 40 150 175 Ø109x150L Ø120x230L Ø148x250L 135 Ø50
CNP-276S
6 730 Ø41 160 60 45 165 250 Ø129x180L Ø138x270L Ø178x270L 150 Ø60
CNP-306S
6 1,000 Ø48 180 50 50 185 300 Ø139x195L Ø158x290L Ø195x290L 220 Ø70