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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

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 ...

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...

High speed installation cold forging machine bolts and nuts making machine for screw

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...

Max diameter one key molding nut drilling machine 2 spindle nut tapping machine

Nut tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or teeth in the inner side of the holes of th...

Hot popular Cold Forging machine bolt forming machine with inveter for good design

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

What's self-tapping screw?

Self-tapping screws: similar to machine screws, but the threads on the screw for special self-tapping screws with threads. Used to fasten the connecti...

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...

China factory price and Advanced Automatic Screw Maker Thread Rolling Machine

Product Descriptionview more >>Frequently bought togetherHigh Speed Thread Rolling Machine Factory Price Thread Roller Hot Sale Thread Machine$4,800.0...

Keywords : High speed

China Chinese high speed 4 station bolt former for standard and non standard bolts manufacturer

Chinese high speed 4 station bolt former for standard and non standard bolts

Chinese high speed 4 station bolt former for standard and non standard bolts More
China LDH-M8-3 factory price spindle nut tapping machine manufacturer

LDH-M8-3 factory price spindle nut tapping machine

We're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading... More
China CY08Z high speed thread rolling machine manufacturer

CY08Z high speed thread rolling machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Field installation screw bolt making machine bolt forming machine cold header for nuts manufacturer

Field installation screw bolt making machine bolt forming machine cold header for nuts

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China Ultra-high cost performance cold heading machine nuts and bolts making machines for screws manufacturer

Ultra-high cost performance cold heading machine nuts and bolts making machines for screws

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China 4 die 4 blow metal forging machinery four station screw header machine bolt machine manufacturer

4 die 4 blow metal forging machinery four station screw header machine bolt machine

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China High capacity 4 spindle nut tapping machine for flange and hex nuts manufacturer

High capacity 4 spindle nut tapping machine for flange and hex nuts

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China Rainbow Full automatic  4 stations bolt making machine with factory price manufacturer

Rainbow Full automatic 4 stations bolt making machine with factory price

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China High speed 4 station bolt making machine for hex and flange nut manufacturer

High speed 4 station bolt making machine for hex and flange nut

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China Full automatic thread rolling machine in good price manufacturer

Full automatic thread rolling machine in good price

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Rainbow full automatic thread rolling machine manufacturer

Rainbow full automatic thread rolling machine

The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on... More
China Full automatic 1 die 2 blow heading machine for self drilling screws manufacturer

Full automatic 1 die 2 blow heading machine for self drilling screws

Heading Machine                     Model            RSH3-20               Max. Blank Diameter (mm)            3               Max. Blank Length (mm) ... More
China high speed power hammer cold forging equipment manufacturer

high speed power hammer cold forging equipment

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China customized air hammer cold former machine manufacturer

customized air hammer cold former machine

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China CE certified bolt maker bolt making machine manufacturer

CE certified bolt maker bolt making machine

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China Detailed parameter zinc plating line barrel zinc plating for electroplating equipment manufacturer

Detailed parameter zinc plating line barrel zinc plating for electroplating equipment

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China Automation efficiency M2-M30 bolt making machine cold forging machine for making nut bolts manufacturer

Automation efficiency M2-M30 bolt making machine cold forging machine for making nut bolts

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a g... More
China customized cold heading machine hot sale 2 die 2 blow cold forming machine manufacturer

customized cold heading machine hot sale 2 die 2 blow cold forming machine

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc.



We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business.



We have the confidence, backed by our professional knowledge and experience in the mechanical and electrical business, to develop the foreign markets for our home enterprises and to open up the Chinese markets for the companies abroad.



Nowadays, more and more reputed companies compete in a long-term cooperation with us. That‘s why we can provide our customers with the best quality products, the bes More
China customized nut making machine nuts maker on sale nut former manufacturer

customized nut making machine nuts maker on sale nut former

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc. We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business. More
China Advanced bolt and nut making machine manufacturer

Advanced bolt and nut making machine

Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a great in... More
China Energy saving environmental protection electroplating machine zinc machine for electroplating manufacturer

Energy saving environmental protection electroplating machine zinc machine for electroplating

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China Perfect logistics system zinc plating line metal electroplating machinery for zinc manufacturer

Perfect logistics system zinc plating line metal electroplating machinery for zinc

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China Price advantage Factory direct sales metal electroplating machinery zinc plating line manufacturer

Price advantage Factory direct sales metal electroplating machinery zinc plating line

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China LDH-M4-2 Chinese made high speed spindle nut tapping machine manufacturer

LDH-M4-2 Chinese made high speed spindle nut tapping machine

We're a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading... More