Your Satisfaction, Our Promise.
Your Satisfaction, Our Promise.
Chun Zu has been at the forefront of the cold forming industry for over four decades, delivering cutting-edge solutions that meet the exacting demands of manufacturers worldwide. Our CNF Nut Forming Machines exemplify this commitment to excellence, offering unparalleled precision and efficiency in the production of nuts for the automotive and construction industries. As Taiwan’s fastener industry has evolved, Chun Zu has developed one of the most comprehensive lineups of cold forming machines on the market, solidifying our reputation as a global leader in nut manufacturing.
The CNF series is specifically designed to handle the rigorous demands of cold forming, ensuring that every nut produced meets the highest standards of quality and durability. This makes our machines particularly invaluable in the automotive industry, where reliability and strength are non-negotiable. Similarly, in the construction industry, where safety and performance are paramount, Chun Zu’s CNF Nut Forming Machines deliver consistent, high-quality results that builders and engineers can trust.
Our machines are equipped with advanced technology that enhances production efficiency, reduces material waste, and ensures precise control over every stage of the forming process. Whether you’re producing standard nuts or specialized fasteners, the CNF series is engineered to meet a wide range of specifications, making it the preferred choice for manufacturers seeking dependable and cost-effective cold forming solutions.
With over 10,000 units of our machines shipped to more than 50 countries, Chun Zu has built a legacy of customer satisfaction and industry leadership. Our CNF Nut Forming Machines are trusted by top manufacturers in the automotive and construction sectors for their durability, precision, and ease of operation. When you choose Chun Zu, you’re investing in a tradition of innovation and quality that has stood the test of time.
Experience the superior performance of Chun Zu’s CNF Nut Forming Machines and discover why we are the go-to partner for cold forming solutions in the automotive and construction industries.
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) |
K.O Stroke (mm) |
Main Slide (mm) |
Motor Power (hp) |
Cut-off Die Diam. (mm) |
Punch Die Diam. (mm) |
Main Die Diam. (mm) |
Machine Weight (Kg) |
Nut Outer Diam. (mm) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CNF-65S |
5 | 52,000 | Ø10 | 8 | 300 | 11 | 70 | 15 | Ø40 | Ø35 | Ø50 | 7,800 | 11 |
CNF-65L |
5 | 52,000 | Ø10 | 15 | 200 | 35 | 100 | 20 | Ø40 | Ø35 | Ø50 | 8,500 | 11 |
CNF-85S |
5 | 70,000 | Ø14 | 12 | 230 | 16 | 84 | 20 | Ø50 | Ø50 | Ø50 | 8,500 | 13 |
CNF-85L |
5 | 70,000 | Ø14 | 20 | 150 | 40 | 120 | 25 | Ø50 | Ø50 | Ø50 | 10,000 | 13 |
CNF-105S |
5 | 105,000 | Ø17 | 14 | 190 | 20 | 100 | 30 | Ø60 | Ø60 | Ø5 | 16,000 | 17 |
CNF-105L |
5 | 105,000 | Ø17 | 21 | 125 | 38 | 130 | 40 | Ø60 | Ø60 | Ø5 | 16,500 | 17 |
CNF-145S |
5 | 190,000 | Ø22 | 17 | 150 | 24 | 134 | 40 | Ø80 | Ø75 | Ø5 | 26,000 | 22 |
CNF-145SM |
5 | 190,000 | Ø22 | 21 | 120 | 54 | 160 | 50 | Ø80 | Ø75 | Ø5 | 28,000 | 22 |
CNF-165S |
5 | 260,000 | Ø26 | 25 | 120 | 55 | 160 | 75 | Ø89 | Ø85 | Ø5 | 42,000 | 26 |
CNF-165L |
5 | 260,000 | Ø26 | 40 | 100 | 80 | 230 | 75 | Ø89 | Ø85 | Ø5 | 42,000 | 26 |
CNF-205SM |
5 | 400,000 | Ø32 | 35 | 100 | 45 | 160 | 100 | Ø92 | Ø90 | Ø5 | 45,000 | 32 |