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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 Rainbow Fastener Making Machinery Cold Former Bolt Making Machine manufacturer

Rainbow Fastener Making Machinery Cold Former Bolt Making Machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China 1-die 2-blow cold heading machine screw head making machine screw producing machine manufacturer

1-die 2-blow cold heading machine screw head making machine screw producing machine

Model RSH8-90
Max. Blank Diameter (mm) 8
Max. Blank Length (mm) 90
Max. Cut off Length (mm) 120
Stroke (mm) 130
Output (Pcs/Min) 80-90
Main Die Diameter (mm) Φ60X120
Punch Die Diameter (1st) (mm) Φ40X120
Punch Die Diameter (2nd) (mm) Φ40X120
Cut off Die Diameter (mm) Φ28X45
Cutter Size (mm) 12X42X90
Main Motor Power (KW) 10HP/7.5KW
Machine Size (L*W*H) (m) 3.60X1.60X1.80
Approx Weight (Kgs) 4800 More
China manufacturer supplier screw forming machine rivet forming machine screw machinery manufacturer

manufacturer supplier screw forming machine rivet forming machine screw machinery

Model RSH5-80
Max. Blank Diameter (mm) 5
Max. Blank Length (mm) 80
Max. Cut off Length (mm) 95
Stroke (mm) 110
Output (Pcs/Min) 90-110
Main Die Diameter (mm) Φ34.5X100
Punch Die Diameter (1st) (mm) Φ31X75
Punch Die Diameter (2nd) (mm) Φ31X75
Cut off Die Diameter (mm) Φ19X35
Cutter Size (mm) 10X35X72
Main Motor Power (KW) 4.0HP/3.0KW
Machine Size (L*W*H) (m) 2.40X1.15X1.25
Approx Weight (Kgs) 1850 More
China manufacturer screw machine screw heading machine rivet making machine manufacturer

manufacturer screw machine screw heading machine rivet making machine

Model RSH5-80
Max. Blank Diameter (mm) 5
Max. Blank Length (mm) 80
Max. Cut off Length (mm) 95
Stroke (mm) 110
Output (Pcs/Min) 90-110
Main Die Diameter (mm) Φ34.5X100
Punch Die Diameter (1st) (mm) Φ31X75
Punch Die Diameter (2nd) (mm) Φ31X75
Cut off Die Diameter (mm) Φ19X35
Cutter Size (mm) 10X35X72
Main Motor Power (KW) 4.0HP/3.0KW
Machine Size (L*W*H) (m) 2.40X1.15X1.25
Approx Weight (Kgs) 1850 More
China Fully automatic  Spring Washer Making Machine coil spring making machine manufacturer

Fully automatic Spring Washer Making Machine coil spring making machine

China China factory price and customized  nut former machine  nut tapping machine manufacturer

China factory price and customized nut former machine nut tapping machine

19 可添加模块Details Images More
China RBF-254S chinese made factory direct bolt making machine manufacturer

RBF-254S chinese made factory direct bolt 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 RSH12-150 chinese made factory direct screw maker cold heading machine manufacturer

RSH12-150 chinese made factory direct screw maker cold heading 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 Good quality thread rolling machine price flat die thread rolling machine for full automatic manufacturer

Good quality thread rolling machine price flat die thread rolling machine for full automatic

The rolling of the wire is generally composed of a fuselage, engine, rolling plate of the portable wire, rustling strip of the wire and protective cov... More
China LDH-M8-2 factory direct spindle nut tapping machine manufacturer

LDH-M8-2 factory direct 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 Best price thread rolling machine good design thread roller with screws manufacturer

Best price thread rolling machine good design thread roller with screws

The rolling of the wire is generally composed of a fuselage, engine, rolling plate of the portable wire, rustling strip of the wire and protective cov... More
China New Research Development Quality Over Thread Rolling Machine Rolling Mill with Huge Discount manufacturer

New Research Development Quality Over Thread Rolling Machine Rolling Mill with Huge Discount

The rolling of the wire is generally composed of a fuselage, engine, rolling plate of the portable wire, rustling strip of the wire and protective cov... More
China Chinese factory price  and Continuous mesh belt furnace  heat treatment furnace manufacturer

Chinese factory price and Continuous mesh belt furnace heat treatment furnace

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China High capacity 6 station nut former Rainbow brand manufacturer

High capacity 6 station nut former Rainbow brand

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China High speed  extra thick nut making machine manufacturer

High speed extra thick nut making machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Chinese Rainbow 6 station nut making machine manufacturer

Chinese Rainbow 6 station nut making machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China High specialized nut former machine  nut tapping machine manufacturer

High specialized nut former machine nut tapping machine

Product name Nut tapping machine Model ... More
China automatic chrome plating machine galvanizing machine manufacturer

automatic chrome plating machine galvanizing 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 automatic metal plating galvanizing machine manufacturer

automatic metal plating galvanizing 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 Best price cold forging nail making machine manufacturer

Best price cold forging 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 powerful factory chrome plating equipment hot sale zinc plating line with car parts manufacturer

powerful factory chrome plating equipment hot sale zinc plating line with car parts

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China Preferred purchasing galvanizing machine Timely quotation zinc plating machine for zinc plate manufacturer

Preferred purchasing galvanizing machine Timely quotation zinc plating machine for zinc plate

The main configuration 1, PLC machine adopts Japanese Mitsubishi Electric Corporation products; 2, inverter byJapan's Mitsubishi Electric Corporation ... More
China Detailed parameter galvanizing machine barrel zinc plating for electroplating equipment manufacturer

Detailed parameter galvanizing machine 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 4 stations metal forging machinery bolt making machine manufacturer

4 stations metal forging machinery bolt making machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More