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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...
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Products
China Six Die Nut and Part Forging Machine manufacturer

Six Die Nut and Part Forging Machine

nut maker

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 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 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 6 Die 7 Blows Extra Long Bearing Type Cold Nut Formers manufacturer

6 Die 7 Blows Extra Long Bearing Type Cold Nut Formers

Forging station:Six/seven
Product size:M3-M30
Max. forging dia:33MM
Max.cut off dia:30MM
Max.forging length:80MM
Max.Die pitch:140MM
Slider stroke:280MM More
China Six Die Nut and Part Forging Machine manufacturer

Six Die Nut and Part Forging Machine

Forging station:Six
Product size:M3-M30
Max. forging dia:33MM
Max.cut off dia:30MM
Max.forging length:80MM
Max.Die pitch:140MM
Slider stroke:280MM More