Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.
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- Harbin Rainbow Technology Co., Ltd.Address:C2-02 Handi Building,Songbei Distr.,Harbin,ChinaPostal Code:150028Web site address:http://www.fastenerequip... Contact Now
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What is Cold Forging – Cold Forging Process, Materials, Uses, Advantages & Disadvantages
The Complete Guide to Zinc Plating: All You Need To Know
Working principle of nut tapping machine
Nut tapping machine is a kind of machining equipment that processes internal threads, screws or teeth buckles on the inner side of the holes of variou...Thread Rolling
How to convert natural gas consumption into MMbtu
The Relationship Between Natural Gas and MMBtuTightening bolts can not be ignored friction can cause problems to solve the problem
fortensionbolt, The friction force is a factor to be reckoned with. Bolt friction joint has been in existence, it may be part of the reason that cause...Difference between hot dip zinc and hot dip galvanising
Hot-dip zincing and hot-dip galvanising are two different processes for corrosion protection of metals, with hot-dip zincing usually providing better ...When to Use Spring Washers: A Comprehensive Guide
Analysis of the principle and function of spring washers
In all kinds of mechanical connections, the anti-loosening of bolts is a very important link, and there are many ways to prevent loosening of bolts in...What Is Cold Forming?
- Products
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4 Spindle Automatic Tapping Machine
Automatic bolts and nuts making machine,Nuts making and forging machine,Bolt and nut assembly machine,Nut tapping machine supplier
Nut tapping machine China Suppliers
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Fully Automatic High Output Low Price 4 Spindle Nut Tapping Machine
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor 380V
- High-Power Performance: 20kw motor ensures efficient operation.
- Durable Structure: Built for long-term use in hardware bolt nut factories.
- User-Friendly Design: Easy-to-operate interface for smooth production workflow.
- Reliable Warranty: 1-year warranty on key components for peace of mind.
- Wide Application: Ideal for manufacturing bolts and nuts across various industries.
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Fully Automatic Different Size Nut Part Tapping Machine
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.
More
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Automatic Nut Tapping Machine High Speed Internal Thread Processing Equipment
Our automatic nut tapping machine is specialized equipment for internal thread tapping of all kinds of nuts, widely matched with cold heading machines in fastener production lines.
Main Product Advantages
- High tapping precision, stable thread tolerance, low defective rate
- Full-automatic feeding & tapping, greatly cut manual operation cost
- Easy mold switching to produce different size nuts flexibly
- Compact body structure, low failure rate and long service life
This tapping equipment is an essential matching machine for standard parts factories and hardware fastener manufacturers.
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2026 Hot Sale Good Price Fully Automatic 4 Spindle Nut Tapping Machine
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor 380V 20kw
- High-Power Performance: 20kw motor ensures efficient operation.
- Durable Structure: Built for long-term use in hardware bolt nut factories.
- User-Friendly Design: Easy-to-operate interface for smooth production workflow.
- Reliable Warranty: 1-year warranty on key components for peace of mind.
- Wide Application: Ideal for manufacturing bolts and nuts across various industries.
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High precision nut tapper for Aircraft nuts with servo motor control
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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High capacity nut threading machine with 1/2 spindle for special nuts
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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High precision single spindle tapping machine for special long nut
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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New Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor Engine Easy Operate 380V 20kw
- High-Power Performance: 20kw motor ensures efficient operation.
- Durable Structure: Built for long-term use in hardware bolt nut factories.
- User-Friendly Design: Easy-to-operate interface for smooth production workflow.
- Reliable Warranty: 1-year warranty on key components for peace of mind.
- Wide Application: Ideal for manufacturing bolts and nuts across various industries.
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Rainbow Automatic 4 Spindle Nut Tapping Machine High Speed Nuts Tapper
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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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2026 Hot Sale Nuts Tapping Machine Automatic Nuts Threading Machine
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
