Chun Zu CH Series 1-Die 2-Blow Cold Forming Machines

Details:

Chun Zu's CH Series 1-Die 2-Blow Cold Headers are meticulously designed to deliver exceptional precision and versatility in screw production. Specifically engineered to produce a wide range of screw head types, including pan head, flat head, socket head, bugle head, and truss head, the CH series ensures that 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

Forging Load (Ton)
Min. Cut-off Diam. (mm)
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)
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
10 0.8 3 34 300 4 22 3 Ø15x20L Ø25x34L Ø22x45L Ø18x38L 24 44 650
CH-5S
20 2 5 45 250 6.5 26 7.5 Ø19x30L Ø34.5x45L Ø31x62.5L Ø25x52L 30 60 1,300
CH-5L
20 2 5 69 200 10 51 5 Ø19x30L Ø34.5x65L Ø31x62.5L Ø25x52L 30 84 1,400
CH-6S
25 3 6.35 63 200 8 38 7.5 Ø25x35L Ø38x55L Ø35x77L Ø35x67.5L 41 80 2,300
CH-6L
25 3 6.35 89 160 10 64 7.5 Ø25x35L Ø38x75L Ø35x77L Ø35x67.5L 41 106 2,500
CH-6LL
25 3 6.35 128 110 12 102 7.5 Ø25x35L Ø38x110L Ø35x77L Ø35x67.5L 41 146 3,000
CH-10S
40 6 10 93 120 10 51 15 Ø32x35L Ø65x120L Ø40x98L Ø40x113L 46 120 5,800
CH-10L
40 6 10 145 100 13 102 15 Ø32x35L Ø65x120L Ø40x98L Ø40x113L 46 172 6,000
CH-10LL
40 6 10 170 70 17 153 15 Ø32x35L Ø65x168L Ø40x98L Ø40x113L 46 220 6,500
CH-12
50 8 12.7 135 75 13 100 15 Ø35x40L Ø78x110L Ø48x117L Ø48x95L 52 150 6,100
CH-12LL
70 8 12.7 252 50 20 203 20 Ø38x45L Ø88x223L Ø58x120L Ø58x116L 66 290 12,000
CH-20S
250 9.5 20 195 45 nan 150 40 Ø54x65L Ø148x210L Ø73x170L Ø73x170L 85 210 21,000
CH-20L
250 9.5 20 300 35 nan 254 40 Ø54x65L Ø148x285L Ø73x170L Ø73x170L 85 330 21,000
CH-30L
400 12 32 417 28 nan 305 75 Ø97x125L Ø245x400L Ø97x265L Ø107x253L 127 450 70,000