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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 : Carbon steel

China High speed 6/7 station nut former for hex flange nut making manufacturer

High speed 6/7 station nut former for hex flange nut making

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 High Speed Metal Moulding Professional Thread Rolling  Machine manufacturer

High Speed Metal Moulding Professional Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China China Screw and Bolt Thread Making Machine Thread Rolling Machine manufacturer

China Screw and Bolt Thread Making Machine Thread Rolling Machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China factory price cold heading machine 1 die 2 blow cold former manufacturer

factory price cold heading machine 1 die 2 blow cold 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.



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 Full automatic circle die thread rolling machine manufacturer

Full automatic circle die thread rolling machine

Hydraulic thread rolling machine The cold rolling process of thread rolling is an advanced non-cutting process, which can effectively improve the i... More
China Electirc gas type continuous mesh belt heat treatment furnace for fasteners manufacturer

Electirc gas type continuous mesh belt heat treatment furnace for fasteners

he whole set heat treatment line is composed of :

Automatic Feeding Machine →Front Washer→  Hardening Furnace → Oil quenching tank →

Rear Washer → Tempering furnace→Electric Control Cabinet, etc.



The buyer can compose the treatment line flexiblely due to different demands More
China Autonatic steel balls heading machine with high speed and low price manufacturer

Autonatic steel balls heading machine with high speed and low price

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 High capacity Metal Forging Machinery Nut Making Machine manufacturer

High capacity Metal Forging Machinery Nut Making Machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Factory Price Nut tapper Nut Making Machine manufacturer

Factory Price Nut tapper Nut Making Machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Automatic Rebar Threading Machine Large Coupler Tapping Machine manufacturer

Automatic Rebar Threading Machine Large Coupler Tapping Machine

Tapping machine for large rebar coupler,high capacity, with 2 feeding systems
whatsapp:+86 15056856057 More
China hot sale cold heading machine manufacturer

hot sale 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 Trolley annealing furnace  for heavy castings and steel parts manufacturer

Trolley annealing furnace for heavy castings and steel parts

This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature More
China Steel balls heading machine with factory price manufacturer

Steel balls heading machine with factory price

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 High Speed Rainbow 6 station nut former with low price manufacturer

High Speed Rainbow 6 station nut former with low price

Main process of nuts production:Wire drawing-Annealing- Cold forging- Heat treament-Glvanizing More
China CY06XN 400pcs/min High capacity thread rolling machine manufacturer

CY06XN 400pcs/min High capacity thread rolling machine

Various types of thread rolling machine to meet your various needs.
whatsapp: +86 15056856057
reach me whenever you need. More
China high capacity 1 die 2 blow cold forming machine heading machie manufacturer

high capacity 1 die 2 blow cold forming machine heading machie

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 High Speed Small Thread Rolling Machine Automatic Thread Roller Machine Screws manufacturer

High Speed Small Thread Rolling Machine Automatic 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 Six Station Nut and Bolts Making Machine For Fasteners manufacturer

Six Station Nut and Bolts Making Machine For Fasteners

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 Automatic high 4 spindle nut tapping machine manufacturer

Automatic high 4 spindle nut tapping machine

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China 1200C Heat Treatment Industrial Electric Sintering Furnace Price High Temperature Car Bottom Industrial manufacturer

1200C Heat Treatment Industrial Electric Sintering Furnace Price High Temperature Car Bottom Industrial

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s... More
China Full automatic industry electirc furnace for heat treatment manufacturer

Full automatic industry electirc furnace for heat treatment

Summary: This type of oven has a unique design of strong air circulation system, which ensures the stability of temperature. The temperature control s... More
China high speed nail maker nail manufacturing plant wire nail making machine manufacturer

high speed nail maker nail manufacturing plant wire 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 Automatic Screw and Bolt making Machine Thread Rolling Machine manufacturer

Automatic Screw and Bolt making Machine 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 high speed thread rolling machine for drywall screw manufacturer

Automatic high speed thread rolling machine for drywall screw

Thread Rolling Machine The working principle of thread rolling machine is to reciprocate the dynamic thread rolling die plate by the bending armand th... More