This two-die (two-roll) thread rolling machine is professional cold forming equipment designed for mass production of bolts, machine screws, studs and various threaded fasteners. It adopts the classic two-roller cold extrusion process to complete thread forming in one pass, with high forming efficiency, stable thread quality and low processing cost.

Equipped with an automatic feeding system and intelligent control unit, the machine realizes fully automatic production from raw material feeding to finished product discharging, significantly improving production efficiency and reducing labor input. Its heavy-duty cast steel body ensures stable operation under long-term continuous working conditions, making it ideal core equipment for small and medium-sized fastener manufacturing enterprises.

This automatic high-speed thread rolling machine is specialized cold forming equipment for mass production of bolts, screws, studs and various threaded fasteners. It adopts advanced cold thread rolling technology to realize a fully automatic workflow of feeding, thread forming and finished product discharging, which greatly improves production efficiency and reduces manual labor cost.

With a high-rigidity machine body and precision transmission structure, the equipment ensures stable thread precision and consistent forming quality, suitable for long-term continuous industrial production. It is widely recognized in the fastener manufacturing industry for its reliable performance, low failure rate and high cost-effectiveness.

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 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.

The thread rolling machine, also known as thread roller, is essential secondary forming equipment in the fastener manufacturing industry, matched with cold heading machines for complete screw and bolt production lines. This machine adopts advanced cold rolling forming technology, which extrudes and forms threads through two precision rolling dies, realizing one-time thread forming for screws, bolts, studs and other threaded fasteners.

Compared with traditional thread cutting processing, our thread rolling machine features higher processing efficiency, better thread finish and higher structural strength. The rolled thread has compact metal fiber structure, strong tensile resistance and not easy to crack. The whole machine adopts thickened cast iron frame and high-precision transmission parts, with stable operation, low vibration and low failure rate. It supports processing various metal materials including carbon steel, stainless steel, iron and alloy steel, covering conventional and fine thread specifications.

Equipped with automatic feeding and rolling control system, the equipment is easy to operate and suitable for long-term continuous mass production. It is widely applicable to produce drywall screws, self-tapping screws, machine bolts, stud bolts and other hardware fasteners. We provide professional equipment debugging, technical training and after-sales maintenance services, and can customize models according to customer production needs to meet different fastener processing requirements.

The thread rolling machine, also known as thread roller, is essential secondary forming equipment in the fastener manufacturing industry, matched with cold heading machines for complete screw and bolt production lines. This machine adopts advanced cold rolling forming technology, which extrudes and forms threads through two precision rolling dies, realizing one-time thread forming for screws, bolts, studs and other threaded fasteners.

Compared with traditional thread cutting processing, our thread rolling machine features higher processing efficiency, better thread finish and higher structural strength. The rolled thread has compact metal fiber structure, strong tensile resistance and not easy to crack. The whole machine adopts thickened cast iron frame and high-precision transmission parts, with stable operation, low vibration and low failure rate. It supports processing various metal materials including carbon steel, stainless steel, iron and alloy steel, covering conventional and fine thread specifications.

Equipped with automatic feeding and rolling control system, the equipment is easy to operate and suitable for long-term continuous mass production. It is widely applicable to produce drywall screws, self-tapping screws, machine bolts, stud bolts and other hardware fasteners. We provide professional equipment debugging, technical training and after-sales maintenance services, and can customize models according to customer production needs to meet different fastener processing requirements.

The thread rolling machine, also known as thread roller, is essential secondary forming equipment in the fastener manufacturing industry, matched with cold heading machines for complete screw and bolt production lines. This machine adopts advanced cold rolling forming technology, which extrudes and forms threads through two precision rolling dies, realizing one-time thread forming for screws, bolts, studs and other threaded fasteners.

Compared with traditional thread cutting processing, our thread rolling machine features higher processing efficiency, better thread finish and higher structural strength. The rolled thread has compact metal fiber structure, strong tensile resistance and not easy to crack. The whole machine adopts thickened cast iron frame and high-precision transmission parts, with stable operation, low vibration and low failure rate. It supports processing various metal materials including carbon steel, stainless steel, iron and alloy steel, covering conventional and fine thread specifications.

Equipped with automatic feeding and rolling control system, the equipment is easy to operate and suitable for long-term continuous mass production. It is widely applicable to produce drywall screws, self-tapping screws, machine bolts, stud bolts and other hardware fasteners. We provide professional equipment debugging, technical training and after-sales maintenance services, and can customize models according to customer production needs to meet different fastener processing requirements.

This M5 flat die thread rolling machine is professional cold forming equipment designed for high-volume production of small threaded fasteners such as machine screws, self-tapping screws and miniature bolts. It forms complete external threads by extruding metal blanks between two reciprocating flat thread dies, with no cutting chips generated in the process. Compared with traditional thread cutting, it delivers higher thread strength, better surface finish and over 95% material utilization.

The machine features a one-piece cast iron body with outstanding vibration absorption capacity, which guarantees stable operation at full speed and maintains long-term machining precision. It comes standard with an automatic vibratory feeding system that enables continuous unattended production, with a maximum output of 200 pieces per minute, effectively reducing labor input and improving production efficiency.

It is compatible with a wide range of materials including carbon steel, stainless steel, copper, aluminum and alloy steel. The finished threads have accurate pitch, smooth surface and excellent fatigue resistance, making it ideal for fastener factories, electronic hardware manufacturers and automotive parts suppliers. It can be paired with an M5 cold heading machine to form a complete small screw production line, providing a turnkey solution for fastener manufacturing.

This two-axis hydraulic thread rolling machine is a professional cold-forming equipment designed for mass production of high-precision threaded fasteners and shaft workpieces. By driving two parallel rolling dies to rotate synchronously, it extrudes the metal blank at room temperature to form complete thread profiles, without cutting off the metal grain structure.

Compared with traditional thread cutting, cold thread rolling significantly improves the surface hardness, fatigue resistance and shear strength of finished threads, while achieving over 99% material utilization and 5-8 times higher production efficiency. The machine supports both infeed rolling for short threads and throughfeed rolling for unlimited-length workpieces, and can also be used for knurling, serration forming and straightening processes by replacing die sets.

The machine body adopts integral cast iron structure with excellent vibration damping performance, ensuring stable operation under high pressure and long-term accuracy retention. The hydraulic feed system is equipped with pressure stabilizing valve and overflow protection, providing smooth and controllable rolling force. The independent spindle tilt adjustment mechanism allows precise setting of thread helix angle, suitable for metric, inch, trapezoidal and special thread profiles.

It is widely used in fastener manufacturing, automotive parts, construction hardware, mechanical transmission and other industries, processing carbon steel, alloy steel, stainless steel, copper and aluminum materials. The whole machine is equipped with overload protection and emergency stop device, and complies with international safety operation standards.

This high-performance automatic thread rolling machine adopts advanced cold forming technology to produce precision threads on bolts, screws, studs and other fastener workpieces without chip removal. Compared with traditional thread cutting, the cold rolling process rearranges the metal grain structure, improving thread tensile strength by over 20% and delivering a mirror-like surface finish.

Equipped with a high-rigidity cast iron body and precision-ground spindle system, the machine maintains stable rolling force under long-term high-speed operation, ensuring consistent pitch diameter accuracy across batch production. The unique feeding mechanism eliminates jamming and reduces die wear, while the centralized lubrication system extends service life and lowers maintenance costs.

Suitable for mass production in fastener manufacturing, automotive parts, construction hardware and mechanical processing industries, it supports processing of metric, UNC, UNF and ACME thread profiles. The machine features simple setup, quick die change and low energy consumption, helping customers significantly improve production efficiency and reduce per-unit manufacturing costs.

• 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.

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