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Keywords : High Precision

China Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -High Precision manufacturer

Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -High Precision

  • 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.
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China Fully Cover Automatic Screw Making Machine High Precision manufacturer

Fully Cover Automatic Screw Making Machine High Precision

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

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China 1 Die 2 Blow M8 Screw Machine Fully Cover manufacturer

1 Die 2 Blow M8 Screw Machine Fully Cover

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

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China Fully Automatic Multi Station Cold Upsetting machine Bolt Machine manufacturer

Fully Automatic Multi Station Cold Upsetting machine Bolt Machine

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

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China Fully Automatic 6 Station Cold Upsetting  machine Bolt Machine manufacturer

Fully Automatic 6 Station Cold Upsetting machine Bolt Machine

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

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China Rainbow High Speed Automatic Flat Die Thread Rolling Machine manufacturer

Rainbow High Speed Automatic Flat Die Thread Rolling Machine

This automatic flat die thread rolling machine is a professional cold forming equipment dedicated to external thread processing of screws, bolts and other fastener workpieces. Through extrusion forming without chip removal, it produces threads with high tensile strength, smooth surface and high dimensional precision, which is far superior to traditional cutting processing.

The whole machine adopts high-strength cast iron body with excellent rigidity and shock resistance, ensuring stable operation, low noise and long service life under long-term high-load production. Equipped with an automatic vibrating feeding system, it realizes fully automatic continuous production, effectively reducing labor cost and improving production efficiency.

By replacing different thread rolling dies, the equipment can process various standard and non-standard external threads, with strong adaptability to meet diversified production demands. The dies are made of premium alloy steel, featuring high wear resistance and easy replacement.

Widely applied in fastener manufacturing plants, hardware workshops and mechanical processing enterprises. We provide complete services including equipment selection guidance, installation commissioning, operator training and lifelong after-sales technical support, and support customized configuration according to customer production requirements.

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China Rainbow Energy-Saving Continuous Mesh Belt Quenching Furnace Automatic Heat Treatment Line manufacturer

Rainbow Energy-Saving Continuous Mesh Belt Quenching Furnace Automatic Heat Treatment Line

Product Overview

Our continuous mesh belt quenching furnace is a professional industrial heat treatment solution specially developed for mass production of fasteners and metal hardware. It is widely matched with cold heading machines and thread rolling machines to form a complete fastener production line, realizing continuous automated quenching, tempering and cooling processes, which greatly improves production efficiency and ensures stable and consistent mechanical properties of finished products.

Core Features & Advantages
  1. Precise & Uniform Temperature Control The furnace adopts multi-zone independent PID temperature control system with high-sensitivity thermocouples, which ensures uniform temperature distribution in the furnace chamber, effectively reduces workpiece deformation and unqualified rate, and guarantees stable hardness and strength of batch products.
  2. High Energy Efficiency & Low Consumption Lined with high-density aluminum silicate fiber insulation layer, the furnace has excellent heat preservation performance, which reduces heat loss by more than 20% compared with traditional brick furnaces, effectively lowering long-term operation cost.
  3. Fully Automatic Intelligent Operation Equipped with PLC control system and touch screen human-machine interface, parameters such as heating temperature, mesh belt running speed and production rhythm can be preset, monitored and adjusted in real time. The equipment can run continuously for 24 hours with less manual intervention.
  4. Optimized Workpiece Quality Protective atmosphere system is optional, which can effectively reduce surface oxidation and decarburization of workpieces during heat treatment, improve the surface quality of finished products, and reduce the workload of subsequent finishing processes.
Application Fields

It is suitable for heat treatment processes such as quenching, tempering, normalizing and stress relief of various carbon steel, alloy steel and stainless steel standard parts, fasteners, hardware accessories, small auto parts and electronic stamping parts.

Customization & Service

We support fully customized design according to your production capacity, workpiece specifications, process requirements and on-site power conditions. The product comes with a 12-month whole-machine warranty, and we provide lifelong technical support, original spare parts supply, as well as optional on-site installation, commissioning and operator training services.

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China Rainbow Automatic High Speed Thread Rolling Machine with Vibratory Feeder for Screw Bolt manufacturer

Rainbow Automatic High Speed Thread Rolling Machine with Vibratory Feeder for Screw Bolt

Product Overview

Our automatic thread rolling machine is a high-efficiency cold forming equipment specially designed for mass production of threaded fasteners. It can be matched with cold heading machines to form a complete fastener production line, completing precise thread rolling on screws, bolts, studs and other workpieces. Compared with traditional thread cutting process, cold thread rolling significantly improves production efficiency, surface finish and mechanical strength of finished threads, with very low material waste.

Core Advantages
  1. High Precision & Stable Forming Quality The machine adopts heavy-duty cast iron fuselage with excellent rigidity, which effectively suppresses vibration during high-speed operation and ensures consistent thread pitch and depth. The thread die is positioned precisely to produce full, smooth and burr-free threads, delivering a high qualification rate for batch production.
  2. Fully Automatic Operation, Labor Saving Equipped with a high-performance vibratory bowl feeder, the machine realizes automatic workpiece sorting, feeding and continuous thread rolling. The PLC control system with touch screen allows operators to easily set and adjust production speed, feeding rhythm and other parameters, greatly reducing labor intensity and labor cost.
  3. Durable Structure, Low Maintenance Cost Core electrical components are sourced from well-known domestic and international brands for stable performance and long service life. The built-in automatic circulating lubrication and cooling system fully lubricates transmission parts and cools thread dies, effectively prolonging the service life of wearing parts and cutting daily maintenance costs.
  4. Strong Process Adaptability It is suitable for processing workpieces made of carbon steel, alloy steel, stainless steel, copper and aluminum. By replacing different thread dies, the machine can produce threads of various specifications and types, meeting the diversified production needs of both standard fasteners and custom non-standard parts.
Application Fields

This thread rolling machine is widely used in fastener manufacturing, hardware processing, auto parts, construction hardware, electronic appliances and other industries. It is an ideal choice for producing machine screws, self-tapping screws, hex bolts, studs, threaded rods and other threaded products.

Service & Support

We provide a 12-month whole-machine warranty, lifelong technical consultation and original spare parts supply. Every machine undergoes full-load running test before delivery. We offer remote guidance for installation, debugging and operator training, and on-site service by professional technicians is also available upon request.

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China Rainbow Automatic M20-M30 Bolt and Screw Thread Rolling Machine manufacturer

Rainbow Automatic M20-M30 Bolt and Screw Thread Rolling Machine

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.

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China Rainbow Full Automatic Screw Making Machine Cold Heading Machine manufacturer

Rainbow Full Automatic Screw Making Machine Cold Heading Machine

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.

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China Rainbow Fully Automatic Bolt Making Machine Cold Forging Machine manufacturer

Rainbow Fully Automatic Bolt Making Machine Cold Forging Machine

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!

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China Rainbow 2026 Automatic Spring Washer Making Machine manufacturer

Rainbow 2026 Automatic Spring Washer Making Machine

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

We can provide a whole line to make spring washer. The spring wahser production line contains cutting machine, belt wire drawing machine, rolling up machine, coil collection machine.

 Spring washer machine it include three parts :

1 step,drawing the round wire to belt wire machine.

2 step,rolling up machine.

3 step, cutting machine.

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China High Speed Automatic Cold Heading Machine Multi-Station Cold Header for Bolt Screw Rivet Fastener Manufacturing manufacturer

High Speed Automatic Cold Heading Machine Multi-Station Cold Header for Bolt Screw Rivet Fastener Manufacturing

Our industrial automatic cold heading machine is professional cold forming equipment designed for high-volume fastener manufacturing. It adopts room-temperature cold extrusion technology to complete head forming, diameter reducing and step shaping, which retains the complete metal fiber structure of workpieces, greatly improving material utilization, production efficiency and mechanical strength of finished products.

Equipped with a precision transmission system and PLC control unit, the machine delivers stable operation, high forming accuracy and excellent batch consistency. It is an ideal production solution for professional fastener factories and hardware manufacturing plants.

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China High-Speed Multi-Station Cold Heading Machine | Industrial Cold Forging Equipment for Precision Fastener Manufacturing manufacturer

High-Speed Multi-Station Cold Heading Machine | Industrial Cold Forging Equipment for Precision Fastener Manufacturing

Our industrial-grade automatic cold heading machine is professional cold forming equipment dedicated to fastener and metal part manufacturing. It completes head forming, diameter reducing and step shaping through room-temperature cold extrusion, replacing traditional cutting and turning processes. This technology retains the complete metal fiber structure of workpieces, greatly improving material utilization, production efficiency and the mechanical strength of finished products.

Equipped with a precision transmission system and PLC control unit, the machine delivers stable operation, high forming accuracy and excellent batch consistency. It is the ideal production solution for mass manufacturing of standard and non-standard fasteners in professional fastener factories and hardware processing plants.

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China Fully Automatic Screw Bolt Thread Rolling Machine manufacturer

Fully Automatic Screw Bolt Thread Rolling Machine

CY06Z Thread Rolling Machine 

Model CY06Z
Diameter Range (mm) 3-6
Screw Length (mm) 50/75
Max. Thread Length (mm) 75
Moving Die Size (mm) 90/105/25
Main Motor (KW) 4
Output (Pcs/Min) 160-185
Approx Weight (kg) 1500
Machine Size (L*W*H)(mm) 1800×1500×1700

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China 2026 Hot Sale Fully Automatic Cold Heading Machine Screw Making Machine manufacturer

2026 Hot Sale Fully Automatic Cold Heading Machine Screw Making Machine

Heading Machine
Model RSH10-120
Max. Blank Diameter (mm) 10
Max. Blank Length (mm) 120
Max. Cut off Length (mm) 140
Stroke (mm) 150
Output (Pcs/Min) 50-60
Main Die Diameter (mm) Φ80X160
Punch Die Diameter (1st) (mm) Φ55X150
Punch Die Diameter (2nd) (mm) Φ55X150
Cut off Die Diameter (mm) Φ40X50
Cutter Size (mm) 16X55X115
Main Motor Power (KW) 15HP/11KW
Machine Size (L*W*H) (m) 4.80X1.80X1.70
Approx Weight (Kgs) 8450

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China 2026 Hot Sale Fully Automatic 6 Station M4-M5 Nut Making Machine Cold Forging Machine manufacturer

2026 Hot Sale Fully Automatic 6 Station M4-M5 Nut Making Machine Cold Forging Machine

Harbin Rainbow Technology Co.,Ltd.---Cold Forging Machine China Factory

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 Electroplating equipment factory(WUXI). 

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as

Screw Making Machine, Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine,

Cold Forging Machine, Rivet Making Machine, Nail Making Machine, Nut Tapping Machine,

Spring Washer Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. 

to customers all over the world. 

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China 2026 Rainbow Hot Sale Mesh Belt Furnace For Screw, Bolt and other Fasteners manufacturer

2026 Rainbow Hot Sale Mesh Belt Furnace For Screw, Bolt and other Fasteners

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

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China Good Price Fully Automatic Barrel Type Galvanizing Production Line manufacturer

Good Price Fully Automatic Barrel Type Galvanizing Production Line

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.
If you have any requirement, please let me know.  Avril@rainbowtechnology.net 

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China Rainbow Hot Sale Good Price Good Quality Fully Automatic M16-M18 Nut Cold Forging Machine manufacturer

Rainbow Hot Sale Good Price Good Quality Fully Automatic M16-M18 Nut Cold Forging Machine

Harbin Rainbow Technology Co.,Ltd.---Cold Forging Machine China Factory

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 Electroplating equipment factory(WUXI). 

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as

Screw Making Machine, Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine,

Cold Forging Machine, Rivet Making Machine, Nail Making Machine, Nut Tapping Machine,

Spring Washer Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. 

to customers all over the world. 

More
China 2026 Hot Sale Fully Automatic Nut Forging Machine For M12-M14 Nut and Nut Part manufacturer

2026 Hot Sale Fully Automatic Nut Forging Machine For M12-M14 Nut and Nut Part

Harbin Rainbow Technology Co.,Ltd.---Cold Forging Machine China Factory

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 Electroplating equipment factory(WUXI). 

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as

Screw Making Machine, Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine,

Cold Forging Machine, Rivet Making Machine, Nail Making Machine, Nut Tapping Machine,

Spring Washer Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. 

to customers all over the world. 

More
China China Rainbow Good Quality High Speed Fully Automatic Thread Rolling Machine manufacturer

China Rainbow Good Quality High Speed Fully Automatic Thread Rolling Machine

Harbin Rainbow Technology Co.,Ltd.---Cold Forging Machine China Factory

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 Electroplating equipment factory(WUXI). 

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as

Screw Making Machine, Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine,

Cold Forging Machine, Rivet Making Machine, Nail Making Machine, Nut Tapping Machine,

Spring Washer Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. 

to customers all over the world. 

More
China Continuous Fastener Hardening Quenching Furnace | Industrial Heat Treatment Equipment for Bolts & Screws manufacturer

Continuous Fastener Hardening Quenching Furnace | Industrial Heat Treatment Equipment for Bolts & Screws

This industrial fastener hardening and quenching furnace is purpose-built for the heat treatment of standard and custom fasteners — including bolts, screws, nuts, and rivets. Its continuous feed design enables uninterrupted high-volume production, delivering significant gains in throughput and reduced labor costs for fastener manufacturing operations.

It features a multi-zone heating architecture paired with high-precision PID temperature control, delivering exceptional temperature uniformity across the entire work chamber. This ensures consistent hardness, tensile strength, and mechanical properties across every batch of fasteners. The furnace lining is constructed from premium refractory fiber insulation, minimizing heat loss and cutting energy consumption by over 20% relative to conventional quenching furnaces.

The system supports both water-quench and oil-quench configurations to accommodate process requirements for carbon steel, alloy steel, and stainless steel fasteners. A fully integrated PLC control system with touchscreen HMI provides real-time temperature monitoring, fault diagnostics, and production data logging. Easy to operate and maintain, this furnace delivers a stable, reliable, and cost-effective heat treatment solution for fastener production

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China Automatic High Speed Wire Nail Making Machine for Common Steel Nail Production manufacturer

Automatic High Speed Wire Nail Making Machine for Common Steel Nail Production

Our automatic high speed nail making machine is professional equipment for manufacturing all kinds of steel wire nails. It integrates wire straightening, feeding, cutting, head punching and nail discharging into one fully automatic continuous process. Compared with traditional processing, it features higher production efficiency, lower material waste and more stable nail quality. It is ideal for hardware factories, building material manufacturers and nail production plants.

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