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.

Product Overview Harbin Rainbow continuous mesh belt quenching furnace is a professional industrial heat treatment equipment, specially designed for mass production of fasteners, hardware and metal workpieces. It integrates automatic feeding, continuous heating, quenching cooling and discharging, realizing fully automated uninterrupted production, which effectively improves production efficiency and reduces labor cost.

Core Advantages

1. Built-in high-precision PID temperature control system ensures uniform temperature distribution inside the furnace with accuracy up to ±5℃, guaranteeing consistent hardness and stable quality of workpieces after heat treatment.
2. Adopts multi-layer ceramic fiber thermal insulation structure and high-efficiency heating elements, featuring low heat loss and outstanding energy-saving performance, which greatly cuts down production energy consumption.
3. Stepless adjustable mesh belt speed can be flexibly set according to different workpiece materials and process requirements, adapting to diversified production demands.
4. The whole machine is made of high-temperature resistant and wear-resistant materials, with stable operation, low failure rate and long service life, suitable for long-term continuous mass production.

Application Fields Widely used in fastener manufacturing, hardware processing, auto parts production and general machinery industries, suitable for quenching, normalizing and other heat treatment processes of various carbon steel and alloy steel workpieces.

Service Support We provide fully customized solutions based on your required output, workpiece size and site conditions, along with one-stop services including installation guidance, 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.

This full automatic continuous zinc plating line is professional industrial surface treatment equipment designed for metal parts and fastener manufacturing. It adopts mature electroplating technology to form a uniform, dense and highly corrosion-resistant zinc coating on the workpiece surface, effectively improving the rust resistance and service life of metal components.

Equipped with a PLC intelligent control system and automatic conveying mechanism, the production line realizes fully continuous automated operation, which greatly improves production efficiency and reduces manual labor costs. Key process parameters can be precisely adjusted to ensure stable plating quality and consistent coating thickness across batches.

Widely applied in fastener production, hardware processing, auto parts manufacturing and other industries, the line supports full customization of line length, process configuration, output capacity and plating types to match different production scales and process requirements. We provide one-stop services including scheme design, on-site installation guidance, operator training and long-term after-sales technical support for global customers.

This automatic nut former is a high-performance cold forging equipment dedicated to fastener manufacturing. It integrates blanking, pre-forming, finish forming and piercing processes in one continuous production flow, effectively improving production efficiency and reducing manual operation costs.

Adopting high-rigidity body structure and precision transmission system, the machine delivers stable performance, high forming accuracy and low noise during long-time operation. It is compatible with carbon steel, stainless steel, alloy steel and other common metal materials, and can produce all kinds of standard hex nuts, flange nuts and custom special-shaped fasteners.

Equipped with PLC intelligent control system and touch screen interface, it is easy to operate and adjust parameters. We provide full customization service for machine configuration, molds and production line schemes according to customers' actual demands. With complete after-sales system including installation guidance, operator training and lifelong spare parts supply, we offer reliable fastener manufacturing solutions for global customers.

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

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

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different needs

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different needs

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different needs

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

This multi-station cold heading machine is fully automatic cold forging equipment for fastener manufacturing. It can complete multiple forming processes in one machine, greatly improving production efficiency and reducing labor cost. The equipment runs stably with low failure rate, adopts precision casting body and high strength crankshaft structure, long service life. It can produce various standard bolts, screws, rivets, nuts and irregular special-shaped hardware without secondary cutting. Suitable for fastener factories, automotive hardware, construction fastener and electronics hardware workshops. We support customized station quantity, die size and production configuration according to customer workpiece requirements. We provide on-site installation guidance and long-term after-sales service.

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

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,...

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 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

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

Composition entire heat treatment line as follows:
Automatic feeder → → washing machine before
Hardening furnace oil quenching tank → →
Rear wiper steel furnace → →
Electrical control cabinet.
Buyers can flexiblely composition processing lines, due to the different 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