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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 CY16Z Chinese made high speed thread rolling machine manufacturer

CY16Z Chinese made 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 Extra big size nut tapping machine for hex flange nut manufacturer

Extra big size nut tapping machine for hex flange nut

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China High precision bolt making machine with good price manufacturer

High precision bolt making machine with good 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 Full automatic chrome-nickel plating line in good price manufacturer

Full automatic chrome-nickel plating line in good price

Barrel plating automatic production line can be adapted to a variety of small parts, standard parts and various types of plating needs substantial inc... More
China Factory Price Bolt Making Machine manufacturer

Factory Price 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 6 stations nut forging machine manufacturer

6 stations nut forging machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China High Speed Power Hammer Cold Heading Machine manufacturer

High Speed Power Hammer Cold Heading Machine

Heading Machine Model RSH3-20 Max. Blank Diameter (mm) 3 Max. Blank Length (mm) ... More
China promotional bolt parts former  durable bolt forming machine full automatic bolts making machine manufacturer

promotional bolt parts former durable bolt forming machine full automatic bolts 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 Full automatic thread rolling machine with factory price manufacturer

Full automatic thread rolling machine with factory 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 RBF-164LL bolt making machine Chinese made bolt maker full automatic screw making machine manufacturer

RBF-164LL bolt making machine Chinese made bolt maker full automatic screw 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 High capacity thread rolling machine for screws and bolts manufacturer

High capacity thread rolling machine for screws and bolts

Can process Many kinds of screws and bolts in different size as well as special products. More
China Rainbow high speed steel balls heading machine manufacturer

Rainbow high speed steel balls heading machine

This machine is specially supplied for cold heading bearing steel, carbon steel, stainless steel, copper, aluminum etc metal ball billet. Whole working process, such as feeding, cutting, cold heading and ejection processes are automatically and continuously. More
China Automatic Cold Heading Machine Screw Making Machine manufacturer

Automatic Cold Heading Machine Screw Making Machine

Model RSH5-150
Max. Blank Diameter (mm) 5
Max. Blank Length (mm) 150
Max. Cut off Length (mm) 168
Stroke (mm) 190
Output (Pcs/Min) 60-80
Main Die Diameter (mm) Φ40X180
Punch Die Diameter (1st) (mm) Φ35X100
Punch Die Diameter (2nd) (mm) Φ35X100
Cut off Die Diameter (mm) Φ20X35
Cutter Size (mm) 10X35X72
Main Motor Power (KW) 4.0HP/3.0KW
Machine Size (L*W*H) (m) 2.60X1.15X1.35
Approx Weight (Kgs) 3000 More
China Automatic Nut Former Nut Making Machine manufacturer

Automatic Nut Former Nut Making Machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Metal Forming Machine Forging Bolts Making Machine manufacturer

Metal Forming Machine Forging Bolts 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 Rainbow Multi station bolt making machine for bolts manufacturer

Rainbow Multi station bolt making machine for 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 Full automatic 1 die 2 blow screw header for drywall screws manufacturer

Full automatic 1 die 2 blow screw header for drywall screws

Model RSH5-150
Max. Blank Diameter (mm) 5
Max. Blank Length (mm) 150
Max. Cut off Length (mm) 168
Stroke (mm) 190
Output (Pcs/Min) 60-80
Main Die Diameter (mm) Φ40X180
Punch Die Diameter (1st) (mm) Φ35X100
Punch Die Diameter (2nd) (mm) Φ35X100
Cut off Die Diameter (mm) Φ20X35
Cutter Size (mm) 10X35X72
Main Motor Power (KW) 4.0HP/3.0KW
Machine Size (L*W*H) (m) 2.60X1.15X1.35
Approx Weight (Kgs) 3000 More
China Factory direct sales machine cold forging New product research manufacturer

Factory direct sales machine cold forging New product research

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 self drilling screw heading machine manufacturer

High speed self drilling screw heading machine

Model RSH6-70
Max. Blank Diameter (mm) 6
Max. Blank Length (mm) 70
Max. Cut off Length (mm) 110
Stroke (mm) 90
Output (Pcs/Min) 90-100
Main Die Diameter (mm) 50X120
Punch Die Diameter (1st) (mm) 35X120
Punch Die Diameter (2nd) (mm) 35X120
Cut off Die Diameter (mm) 24X40
Cutter Size (mm) 12X35X77
Main Motor Power (KW) 7.5HP/5.5KW
Machine Size (L*W*H) (m) 2.50X1.40X1.60
Approx Weight (Kgs) 3300 More
China chinese made most popular discount cold heading machine manufacturer

chinese made most popular discount 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 Double Side Feeding Drilling Machines 2 Spindle Rebar  Coupler Tapping Machine manufacturer

Double Side Feeding Drilling Machines 2 Spindle Rebar Coupler Tapping Machine

Tapping machine for large rebar coupler,high capacity, with 2 feeding systems
whatsapp:+86 15056856057 More
China Hot Sale Customized Screw Thread Rolling  Machine manufacturer

Hot Sale Customized Screw Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China Automatic Hard Chrome Metal Electroplating Machinery manufacturer

Automatic Hard Chrome Metal Electroplating Machinery

free design electroplating plating line zinc,chrome-nickel plating machine
Whatsapp---+86 15056856057 More
China Rainbow cold forging machine bolt making machine manufacturer

Rainbow cold forging machine 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