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
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...The Complete Guide to Zinc Plating: All You Need To Know
Thread Rolling
Tightening 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
What Is Cold Forming?
How to convert natural gas consumption into MMbtu
The Relationship Between Natural Gas and MMBtuAnalysis 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...
- Products
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Six Die Nut and Part Forging Machine
Nut Making Machine Supplier
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high speed nut part former for M12 special nut making machine with long stroke
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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Made in China 6 die nut making machine for standard nut former with PKO
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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Heavy duty nut and bolt making machine for SS hex nut former with servo motor
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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2026 Hot Sale 6 Station nut punching machine for M14 standard nut former with PKO
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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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw CE
- High-Power Performance: 20kw motor ensures efficient operation.
- Durable Structure: Built for long-term use in hardware bolt nut factories.
- Wide Application: Ideal for manufacturing bolts and nuts across various industries.
- User-Friendly Design: Easy-to-operate interface for smooth production workflow.
- Reliable Warranty: 1-year warranty on key components for peace of mind.
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6 Station M18-M24 Nut Making Machine CE
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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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw
- High-Power Performance: 20kw motor ensures efficient operation.
- Durable Structure: Built for long-term use in hardware bolt nut factories.
- Wide Application: Ideal for manufacturing bolts and nuts across various industries.
- User-Friendly Design: Easy-to-operate interface for smooth production workflow.
- Reliable Warranty: 1-year warranty on key components for peace of mind.
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Full Automatic 4 Spindle Tapping Machine with Full Cover Nut Drilling Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Long Service Life High Precision M12 Nut Forming Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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M20 Automatic High Precision Multi Station Nuts Making Machine High Precision Cold Forging Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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High Speed Multi Station Cold Former for M12 M14 Hex Nut Former For Sale
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Automatic 7 Station Nut Making Machine Heavy Duty Nut Former Cold Forging Machine Cold Former
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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2026 Hot Sale 6 Station M18-M24 Nut Making 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.
More
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Rainbow Automatic 6 Station Spare Parts Making Machine High Precision Nuts Cold Forging Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Automatic High Quality Nut Making Machine for M30 High Efficiency Spare Parts Making Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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High Speed Multi Station Cold Former for M12 M14 Hex Nut Former for Nut
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Long Service Life High Precision Nut Forming Machine with 6 Station
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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M20 Automatic High Precision 6 Station Nuts Making Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Automatic 6 Station 7 Station Nut Making Machine Heavy Duty Nut Former Cold Forging Machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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High Speed Multi Station Cold Former for M12 M14 Hex Nut HARBIN RAINBOW
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Nut Making Machine Heavy Duty Nut Former Harbin Rainbow
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Nut Forming Machine Harbin Rainbow China
high capacity,high precision,full automatic,cold forging machine, nut making machine
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Rainbow Good Price Nut Forming Machine Nut Cold Forging Machine
high capacity,high precision,full automatic,cold forging machine, nut making machine
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