The company covers an area of 15,000 square meters, has 30 years of cold heading machine production history, is the first batch of production of cold machines in China

The old factory. Through the continuous improvement of technology and the introduction of foreign advanced technology, the multi-station cold heading machine and cold heading die are manufactured

Compact structure and high rigidity, easy operation and maintenance. The use of this equipment can simplify the production process, improve the efficiency and material benefit

The rate is as high as 88-91%, the precision is high, the strength is good, and the economic benefit of the enterprise is remarkable.

The main models of cold heading machine are: standard cold heading machine, six-mold bearing cold heading machine, multi-station elongated cold heading machine, screw and nut forming machine, gear drum type large cold heading machine, etc., can be customized and installed according to customer requirements.

The production of cold header is used in automotive, aerospace, mechanical basic industry parts (such as chains, fasteners, bearings,

Socket wrenches, tools, screws and nuts) and other types of standard parts, shaped, complex non-standard parts of cold extrusion, a wide range of applications. Our company as the production of cold heading machine, multi-station cold heading machine, screw and nut machine professional manufacturers, advanced equipment, excellent technology, excellent product quality, comprehensive after-sales service.

We can supply multi-station cold forging machines, including 3 station, 4 station, 5 station, 6 station and 7 station machines. Cold upsetting technique and cold forging machines are used as an important means for producing different kinds of bolts, nuts and other metal parts in the field of fastener industry. Because of the advantage of the cold upsetting equipment itself and the superiority of cold upsetting technique, the cold formers are also widely used in different national economic territories for producing fasteners and abnormal non-standard parts such as aviation, steamer, machinery, rail traffic, vehicle, motorcycle, bicycle, architecture, electric appliance, electronic and communication products, etc.

Besides bolts and nuts making machines, we can also supply thread rolling machine, tapping machine, heat treatment furnace, zinc plating line, etc whole production line for producing bolts, nuts and parts.

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.

Harbin Rainbow Technology Co. , Ltd comes from China National Machinery Import and Export Corp. Harbin branch. The main business is manufacturing cold forging machine, Bolt Maker, Nut Maker, Part Former, Screw Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace, Zinc plating plant. etc. We have our own factories in China, so you don't have to worry about the source of goods.

Harbin Rainbow Technology Co. , Ltd comes from China National Machinery Import and Export Corp. Harbin branch. The main business is manufacturing cold forging machine, Bolt Maker, Nut Maker, Part Former, Screw Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace, Zinc plating plant. etc. We have our own factories in China, so you don't have to worry about the source of goods.

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

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.

We can supply high quality automatic nut tapping machine, It can be a good substitute for manual assembly, saving time and effort.

Flat die thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on the fixed plate do straight line motion back and forth, when the work piece feed between two plates, movable plate move forward twist work piece, make its surface plastic deformation into thread. To roll thread on blank shank of bolt after being cold-headed. 

Thread rolling machine is widely praised for its rational price,easy maintenance and high quality. besides axial and radial process it is used to process regular and irregular bolt,through screw etc.with optional embossing roller. 

Thread rolling machine is portable, flexible, high efficiency and has some irreplaceable advantages compared with similar equipment, avoid the limit of lathe, drill or hand tapping, save time, labor, not easy to rotten teeth, screw tap not easy to break off.  

The thread roller is easy to operate, convenient to maintenance, which greatly decrease the technical requirements for workers. 

Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation.

Our bolt former is highly praised by customers all over the world. It's been widely use in famous fastener factories home and abroad. Look forward to cooperate with you!.

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.

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

Nail making machine This machine is advanced in design, compact in structure, beautiful in appearance, easy to use, safe in operation, high speed and ...

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!

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

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

Flat die thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on the fixed plate do straight line motion back and forth, when the work piece feed between two plates, movable plate move forward twist work piece, make its surface plastic deformation into thread. To roll thread on blank shank of bolt after being cold-headed. 

Thread rolling machine is widely praised for its rational price,easy maintenance and high quality. besides axial and radial process it is used to process regular and irregular bolt,through screw etc.with optional embossing roller. 

Thread rolling machine is portable, flexible, high efficiency and has some irreplaceable advantages compared with similar equipment, avoid the limit of lathe, drill or hand tapping, save time, labor, not easy to rotten teeth, screw tap not easy to break off.  

The thread roller is easy to operate, convenient to maintenance, which greatly decrease the technical requirements for workers. 

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

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.

Free design,Provide quotation list, process chart, lay out drawing, video to see more details
We have specialized in surface treatment equipment for more than 20 years
 

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.

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines cold heading machine price

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.

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.

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