This automatic cold heading machine is professional cold forging equipment designed for mass production of fasteners and precision metal parts. Adopting mature cold forming technology, it completes workpiece head forming at room temperature without heating, which effectively cuts production cost and improves processing efficiency.

The equipment is built with a high-rigidity integral machine body, matched with precision die system and fully automatic wire feeding mechanism. It features stable high-speed operation, high forming dimensional accuracy and low failure rate, supporting continuous uninterrupted production, greatly reducing labor input and ensuring consistent quality of mass-produced products.

It is widely used in fastener manufacturing, automotive hardware, electronic components, construction hardware and other industries, suitable for producing bolts, screws, nuts, rivets, studs and various standard & non-standard special-shaped cold heading parts. We provide full services including pre-sales solution customization, on-site installation guidance and lifelong technical support to match different production demands of customers.

• High-Power Performance: 20kw motor ensures efficient operation.
• Durable Structure: Built for long-term use in hardware bolt nut factories.
• Wide Application: Ideal for manufacturing bolts and nuts across various industries.
• User-Friendly Design: Easy-to-operate interface for smooth production workflow.
• Reliable Warranty: 1-year warranty on key components for peace of mind.

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(NINGBO), one Thread rolling machine factory(NINGBO), one Heat treatment furnace factory (SUQIAN) and one Electroplating equipment factory(WUXI).

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. 

With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years. Nowadays, more and more reputed companies compete in a long-term cooperation with us.

We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

Various types of thread rolling machine to meet your various needs.

• High-Speed Operation: Produces up to 100 sets per month for efficient production.
• Durable Construction: Built for long-term use in construction workshops.
• Flat Die Design: Ensures precise thread rolling for screws and bolts.
• Customizable Options: Offers flexibility for various screw and bolt sizes.
• Reliable Warranty: One-year warranty for peace of mind.

high quality hydraulic forging press bolt making machine power hammer cold forging machine

• High-Power Performance: 20kw motor ensures efficient operation.
• Durable Structure: Built for long-term use in hardware bolt nut factories.
• User-Friendly Design: Easy-to-operate interface for smooth production workflow.
• Reliable Warranty: 1-year warranty on key components for peace of mind.
• Wide Application: Ideal for manufacturing bolts and nuts across various industries.

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

• High-Power Performance: 20kw motor ensures efficient operation.
• Durable Structure: Built for long-term use in hardware bolt nut factories.
• Wide Application: Ideal for manufacturing bolts and nuts across various industries.
• User-Friendly Design: Easy-to-operate interface for smooth production workflow.
• Reliable Warranty: 1-year warranty on key components for peace of mind.

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(NINGBO), one Thread rolling machine factory(NINGBO), one Heat treatment furnace factory (SUQIAN) and one Electroplating equipment factory(WUXI).

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world. 

With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years. Nowadays, more and more reputed companies compete in a long-term cooperation with us.

We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers.

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.

Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine

Net weight: 700kg
Cutter motor: 1.1Kw
Vibrator motor: 1.1Kw
Pump: 400W
Speed: 80-350 pieces/minute
Cutting speci: out dia 40-80mm;
               inner Dia 16mm

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers.

Trimetal Composite Contact Cold Header can make six different metals be compounded together under cold state to produce composite contacts according to the technique requirements. Its working process includes the following steps: Sending two different kinds of metal wire into the machine firstly, transmitting them into the mould after being cut off. Then by two times upsetting process, the two kinds of metal become the composite contacts. Finally, the products retreat from the mould and enter into the finished product box.

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

high quality hydraulic forging press bolt making machine power hammer cold forging machine

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases