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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 : Fully automatic

China 4 spindle hex flange nut tapping machine with factory price manufacturer

4 spindle hex flange nut tapping machine with factory price

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(... More
China Extra long 6 station nut former with factory price manufacturer

Extra long 6 station nut former with factory price

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(... More
China RNF08B nut making machine made in china manufacturer

RNF08B nut making machine made in china

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 RB heat treatment furnace made in china manufacturer

RB heat treatment furnace made in china

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 More
China RBF-64S bolts and nuts making machine made in china bolt maker full automatic bolt forming machine manufacturer

RBF-64S bolts and nuts making machine made in china bolt maker full automatic bolt forming 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 High Speed Thread Roller Machine Screws manufacturer

High Speed Thread Roller Machine Screws

Wire rolling machine is usually composed of fuselage, motor, portable wire rolling plate, wire rolling strip and wear protective cover and other compo... More
China 6 station hex flange nut former high capacity with low price manufacturer

6 station hex flange nut former high capacity with low price

Rainbow high-speed nut forming machine, compared with Taiwan's equipment, is more powerful, more stable, will not stuffy, customer response is very go... More
China Automatic Metal Electroplating Machinery Electroplating Machine manufacturer

Automatic Metal Electroplating Machinery Electroplating Machine

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 need, please contact me!
Whatsapp---+86 15056856057 More
China Full Automatic Rack and Barrel Zinc Electroplating Line manufacturer

Full Automatic Rack and Barrel Zinc Electroplating Line

Full Automatic Rack and Barrel Zinc Electroplating Plant
Whatsapp---+86 15056856057 More
China Automatic Six Station Nut Making Machine manufacturer

Automatic Six Station Nut Making 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. More
China China Manufacturer Screw and Bolt Thread Rolling Machine manufacturer

China Manufacturer Screw and Bolt Thread Rolling Machine

Various types of thread rolling machine to meet your various needs. More
China Manufacturer Screw Making Machine Automatic Cold Heading Machine manufacturer

Manufacturer Screw Making Machine Automatic Cold Heading Machine

Rainbow screw making machine, including full series of cold heading machine and thread rolling machine. Can be used for all types of screw production. Cold heading machine has 1 die 2 blow series, 2 die 2 blow series, 3 die 3 blow series, semi-tubular rivet series and so on. More
China Manufacturer Bolts and Screws Flat Die thread rolling machine manufacturer

Manufacturer Bolts and Screws Flat Die thread rolling machine

We can supply high-accuracy, high-strength, and non-standard flat thread rolling dies such as Metric thread, whitworth thread, unified thread, worm, trapezoidal thread, spline, tape thread, wood screw, self-tapping screw, dry wall screw, self-drilling screw, straight thread, diagonal thread, etc. More
China China Top Brand Cold Forging Machine for Making Bolt and Nuts manufacturer

China Top Brand Cold Forging Machine for Making Bolt and Nuts

China's top three cold header manufacturers, can meet the one-stop service, our equipment technology is the most advanced, good service, quality can be used for 20 years. More
China Hot Sale Spring Washer Machine High Speed Cutting Machine Automatic Coil Machine manufacturer

Hot Sale Spring Washer Machine High Speed Cutting Machine Automatic Coil Machine

Spring Washer Machine Full Production Line:
1. Belt Wire Drawing Machine
2. Coil Machine
3. Coil Collection Machine
4. Cutting Machine More
China Multi station hex flange nut former with high speed and high precision manufacturer

Multi station hex flange nut former with high speed and high precision

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(... More
China Screw making machine-Thread Rolling Machine-Best quality-China supplier manufacturer

Screw making machine-Thread Rolling Machine-Best quality-China supplier

thread rolling machine More
China Screw making machine-Heading machine-Best quality-China supplier manufacturer

Screw making machine-Heading machine-Best quality-China supplier

screw making machine     heading machine    screw make machine  bolt making machine  cold machine More
China 480pcs per minute automaticmetel moulding machinery wire nail maker nail making machine manufacturer

480pcs per minute automaticmetel moulding machinery wire nail maker nail making machine

Nail making machine This machine is advanced in design, compact in structure, beautiful in appearance, easy to use, safe in operation, high speed and ... More
China China Top Three Screw Making Cold Heading Machine Advanced Nail Heading Machine for Bolts manufacturer

China Top Three Screw Making Cold Heading Machine Advanced Nail Heading Machine for Bolts

Versatility: Multi-station cold heading machines can produce a wide variety of parts, ranging from simple shapes to complex forms. This versatility makes them highly adaptable to different applications and allows for maximum productivity in all industries. More
China Automatic screw making machine  for cold heading machine-Harbin rainbow manufacturer

Automatic screw making machine for cold heading machine-Harbin rainbow

screw making machine     heading machine    screw make machine More
China Electric Metal Industrial Melting Furnace Induction Heating Continuous Mesh Belt Furnace Line for Screw manufacturer

Electric Metal Industrial Melting Furnace Induction Heating Continuous Mesh Belt Furnace Line for Screw

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 More
China Industrial Metal Melting Forge Induction Heating Continuous Mesh Belt Furnace Line for Screw manufacturer

Industrial Metal Melting Forge Induction Heating Continuous Mesh Belt Furnace Line for Screw

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 More
China Advanced Industrial Furnace Melting Heat Treatment Electric Furnace Mesh Belt Furnace Line for Screw manufacturer

Advanced Industrial Furnace Melting Heat Treatment Electric Furnace Mesh Belt Furnace Line for Screw

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 More