his automatic nut cold heading forming machine is a high performance special equipment designed for mass production of various standard and non standard nuts. Adopting advanced multi station cold forging technology it integrates feeding heading forming and discharging automatically realizing high efficiency and high precision one time forming.

Widely used in fastener manufacturing hardware processing automotive parts construction hardware and other industries the machine can process carbon steel stainless steel alloy steel and other metal materials with stable operation low failure rate and long service life. It is an ideal equipment for nut production enterprises to improve production capacity and product quality.

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...

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

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 30 years
 

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

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

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.

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 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!

This high-performance automatic thread rolling machine is specially engineered for cold forming external threads on bolts, screws, studs, pins and other fastener workpieces. Adopting a 3-die cylindrical rolling structure, it produces precise, smooth and high-strength threads with no chip generation, greatly improving material utilization and production efficiency. It is an ideal core equipment for fastener manufacturing plants, hardware processing workshops and automotive component factories.

This cold heading machine (heading machine) is specialized equipment for fastener head cold forging. It cuts steel wire and forms screw/bolt heads in one station. Widely used for manufacturing standard and non-standard fasteners. Our machine adopts one die two blow structure, featuring high efficiency, stable performance and long service life. It is the core equipment matched with thread rolling machine to complete full screw production line.

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

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

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

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

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

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

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

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

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