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.

This high-speed automatic thread rolling machine is purpose-built for mass external thread processing of bolts, screws, studs and various standard fasteners. Adopting mature cold rolling forming technology, it delivers high production efficiency, superior thread surface finish and enhanced thread load-bearing strength, making it a reliable choice for fastener factories, hardware workshops and auto parts manufacturers.

The machine features an integral cast steel fuselage and optimized transmission structure, ensuring stable operation, low vibration and low failure rate even during long hours of continuous high-speed production. The precision-machined die mounting structure guarantees accurate die alignment, producing uniform, standard and smooth threads with excellent dimensional consistency that meets international fastener quality standards.

It is compatible with a wide range of metal materials including carbon steel, stainless steel, copper and aluminum, and supports processing of metric threads, inch threads and straight knurling. The matched automatic feeding system effectively reduces labor intensity and improves production consistency, fully adapting to large-scale batch production.

We provide full-range supporting services covering installation guidance, on-site operator training, rolling die matching consultation and long-term after-sales technical support. Customized configurations are also available to fit customers' specific production needs.

Product Overview Harbin Rainbow automatic thread rolling machine is professional cold forming equipment for external thread mass production. It is specially designed for manufacturing bolts, screws, studs, threaded rods and various fastener workpieces. Adopting advanced chipless cold rolling technology, it delivers high-efficiency thread forming with excellent thread strength, surface finish and dimensional consistency.

Core Advantages

1. Integrated with PLC control system and automatic vibratory feeding mechanism, the machine realizes fully automated continuous operation, which greatly reduces labor cost and improves production stability.
2. High-rigidity cast iron body and precision transmission structure ensure low vibration and stable performance under long-term high-speed operation, guaranteeing uniform thread precision and stable product quality.
3. It supports a wide range of thread specifications and metal materials. Thread roller dies can be replaced quickly to switch between different products, with strong production flexibility.
4. Chipless cold forming process saves raw materials and reduces energy consumption, making it an ideal choice for fastener factories pursuing large-scale, low-cost mass production.

Application Fields Widely applied in fastener manufacturing, hardware processing, automotive parts, construction hardware and general machinery industries, suitable for producing all kinds of standard and non-standard threaded workpieces.

Service Support We provide tailored solutions based on your product specifications and output demands, along with one-stop services including installation debugging, operation training, 12-month quality warranty and lifelong remote technical support.

This CY-Z28-200A automatic thread rolling machine is a high-efficiency cold forming equipment built for mass production of threaded fasteners. It adopts mature two-roller rolling technology to form complete external threads in one pass without chip removal, which significantly improves material utilization rate and thread mechanical strength compared with traditional tapping process.

Equipped with an optional automatic vibratory feeding system, it supports uninterrupted unmanned production, effectively cutting labor cost and improving output stability. The machine is fitted with hardened alloy steel rolling dies to deliver clear thread profile and uniform precision, with thread tolerance meeting ISO 6g international standard, suitable for manufacturing high-standard bolts, self-tapping screws, studs and various threaded workpieces.

Its one-piece cast iron body provides excellent structural rigidity and shock absorption, guaranteeing stable performance under long-term 24/7 heavy-load operation. Widely compatible with carbon steel, stainless steel, copper and aluminum materials, it fits diversified production demands of fastener factories, hardware processing plants, auto parts manufacturers and construction hardware suppliers. We provide full after-sales support including installation guidance, operator training and lifelong original spare parts supply.

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.

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

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.

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

This CY series high-speed automatic flat die thread rolling machine, manufactured by Harbin Rainbow Technology, is professional cold forming equipment dedicated to mass production of threaded fasteners including screws, bolts, studs and rivets. It adopts chipless cold rolling technology to form threads through metal plastic deformation, which delivers higher thread strength, better surface finish and more stable dimensional accuracy than traditional thread cutting process, serving as core supporting equipment for complete fastener production lines.

Core Advantages

1. High-Efficiency Automatic Production Equipped with a vibratory automatic feeding system and precision crankshaft transmission structure, the machine realizes continuous unmanned operation with a maximum speed of 320 pieces per minute. One operator can manage multiple machines simultaneously, effectively reducing labor cost and lifting overall factory output.

2. Premium Forming Precision Fitted with precision-ground alloy thread dies and optimized pressure structure, it produces smooth, burr-free threads with consistent pitch and dimensional accuracy. The cold-formed threads feature denser metal fiber structure and better wear resistance, fully complying with international mainstream thread standards.

3. Heavy-Duty Durable Structure The cast iron main frame undergoes stress relief treatment to ensure excellent rigidity and vibration resistance. The heavy-duty transmission system is matched with an automatic centralized lubrication system, guaranteeing low noise, low wear and stable performance during long-term high-speed operation.

4. Easy Operation & Maintenance The intuitive control panel lowers the technical threshold for operators. Thread die replacement and specification adjustment are simple and fast, enabling flexible switching between multi-specification orders and reducing equipment downtime.

Application & After-sales Service

Widely applied in fastener manufacturing, hardware processing, automotive parts, construction hardware and electronics industries, suitable for mass production of various standard and non-standard threaded workpieces. We provide full after-sales support including English operation manual, installation & debugging guidance, 12-month warranty, lifelong technical consultation and global spare parts supply. Customized solutions for special specifications and production line matching are available on demand.

  Harbin Rainbow Technology designs and manufactures a full range of high-speed automatic flat die thread rolling machines for the global fastener industry. As core supporting equipment paired with cold heading machines in screw and bolt production lines, the CY series machines form threads through cold plastic deformation of metal workpieces, replacing traditional thread cutting process with superior thread density, wear resistance and dimensional accuracy.

Core Advantages

• Fully Automatic Production: Integrated with vibratory bowl feeding system, the machine runs continuously with minimal manual intervention. Small-diameter models reach a production speed of 165–185 pieces per minute, effectively improving output and reducing labor cost.
• High Forming Precision: Precision-ground alloy thread dies and stress-relieved heavy cast iron frame ensure consistent thread quality, fully compliant with ISO, DIN, ANSI and other international thread standards.
• Durable & Low Maintenance: Heavy-duty gearbox transmission with automatic lubrication system features low noise, high wear resistance and stable performance, suitable for long-term uninterrupted industrial operation.
• Full Model Coverage: The product line includes CY05X, CY06Z, CY10Z, CY16Z, CY30Z and other specifications, covering processing diameter from 3mm to 30mm, to match different capacity and specification demands of fastener factories.

With over 30 years of experience in the fastener equipment industry, Harbin Rainbow Technology provides one-stop production solutions including cold heading machines, wire drawing equipment and electroplating lines. All thread rolling machines are CE certified, backed by 12 months warranty, English operation guidance and lifelong after-sales technical support, and have been widely adopted by fastener manufacturers across 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.

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

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.

1 Die 2 Thread Automatic Thread Rolling Machine

Our 1 Die 2 Thread Thread Rolling Machine is a high-efficiency, high-precision cold forming equipment specially engineered for mass production of standard and non-standard bolts, screws, studs, threaded rods and other fasteners. Adopting the industry-leading 1D2T flat die rolling process, this machine forms two complete threads in a single pass, doubling production efficiency compared with traditional single-thread rolling machines while maintaining superior thread quality.

Core Competitive Advantages

• Industry-Leading Efficiency: The optimized cam transmission system delivers a stable production speed of up to 180 pieces per minute, significantly shortening your production cycle and reducing unit cost.
• Superior Thread Quality: Precision-ground rolling dies produce threads with smooth surface finish, high dimensional accuracy and excellent tensile strength, fully meeting DIN, ANSI, JIS and ISO international standards.
• Ultra-Stable Operation: Heavy-duty cast iron frame provides exceptional rigidity and vibration absorption, ensuring consistent performance even in 24-hour continuous industrial production environments.
• Low Maintenance Design: Modular structure and wear-resistant components minimize downtime and maintenance costs. Die replacement can be completed in less than 10 minutes by a single operator.
• Wide Versatility: Compatible with various metal materials and thread profiles. We offer customized solutions for special thread shapes, feeding systems and voltage requirements.

Applications

This Automatic Thread Rolling Machine is widely used in fastener manufacturing, hardware processing, automotive parts, construction machinery, electronics and aerospace industries. It is the ideal equipment for small and medium-sized fastener factories looking to improve production efficiency and product quality.

As a professional manufacturer of thread rolling machines and bolt screw making machines with over 15 years of experience, we provide not only high-quality equipment but also comprehensive after-sales service including installation guidance, operator training and spare parts supply. Contact us today to get a detailed quotation and free technical consultation!

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.