Chun Zu

Chun Zu CH Series 1-Die 2-Blow Cold Former

Model CH Series

Chun Zu CH series 1-die 2-blow cold headers for screws with pan, flat, socket, bugle and truss heads, formed with high concentricity.

Chun Zu CH series cold former, a green machine with a separate control cabinet on a stand at the left and a wire feed at the right

Details

The Chun Zu CH series is a 1-die 2-blow cold former, also known as a single die double stroke (SDDS) cold former, meticulously designed to deliver exceptional precision and versatility in screw production. It is specifically engineered to produce a wide range of screw head types, including pan head, flat head, socket head, bugle head, and truss head, so every product is formed with high concentricity and superior quality.

This makes the CH series an invaluable asset for both the automotive and construction industries, where the consistency and accuracy of fasteners are critical.

The CH series machines are built to handle various head configurations with ease, maintaining the precise specifications needed to meet industry standards.

Whether producing screws for automotive assemblies, where every component must perform flawlessly under demanding conditions, or for construction applications that require durability and reliability, Chun Zu's CH Series delivers consistent, high-quality results.

With a focus on high concentricity, the CH Series ensures that each screw head is formed with meticulous attention to detail, providing manufacturers with the confidence that their products will perform as expected.

This commitment to quality makes the CH Series an ideal choice for manufacturers looking to enhance their production capabilities and deliver superior fasteners to the market.

Choose Chun Zu's CH Series Cold Headers for your screw forming needs and experience the precision, versatility, and reliability that have made Chun Zu a trusted name in the cold forming industry for over four decades.

Compare models

Review the specifications of our flagship models.

Model Forging Load (Ton) 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) Main Die Diam. (mm) #1 Punch Die Diam. (mm) #2 Punch Die Diam. (mm) #1 to #2 Die Dist. (mm) Main Slider Stroke (mm) Machine Weight (Kg)
CH-3 100.8-3343004223Ø15x20LØ25x34LØ22x45LØ18x38L2444650
CH-5S 202-5452506.5267.5Ø19x30LØ34.5x45LØ31x62.5LØ25x52L30601,300
CH-5L 202-56920010515Ø19x30LØ34.5x65LØ31x62.5LØ25x52L30841,400
CH-6S 253-6.35632008387.5Ø25x35LØ38x55LØ35x77LØ35x67.5L41802,300
CH-6L 253-6.358916010647.5Ø25x35LØ38x75LØ35x77LØ35x67.5L411062,500
CH-6LL 253-6.35128110121027.5Ø25x35LØ38x110LØ35x77LØ35x67.5L411463,000
CH-10S 406-1093120105115Ø32x35LØ65x120LØ40x98LØ40x113L461205,800
CH-10L 406-101451001310215Ø32x35LØ65x120LØ40x98LØ40x113L461726,000
CH-10LL 406-10170701715315Ø32x35LØ65x168LØ40x98LØ40x113L462206,500
CH-12 508-12.7135751310015Ø35x40LØ78x110LØ48x117LØ48x95L521506,100
CH-12LL 708-12.7252502020320Ø38x45LØ88x223LØ58x120LØ58x116L6629012,000
CH-20S 2509.5-201954515040Ø54x65LØ148x210LØ73x170LØ73x170L8521021,000
CH-20L 2509.5-203003525440Ø54x65LØ148x285LØ73x170LØ73x170L8533021,000
CH-30L 40012-324172830575Ø97x125LØ245x400LØ97x265LØ107x253L12745070,000

Cut-off diameter is a minimum-maximum range in mm. A blank cell means no value is published.

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