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What is Cold Forging – Cold Forging Process, Materials, Uses, Advantages & Disadvantages

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...

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 ...

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...

Thread Rolling

The Complete Guide to Zinc Plating: All You Need To Know

High speed installation cold forging machine bolts and nuts making machine for screw

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...

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...

What Is Cold Forming?

Keywords : Fully automatic

China Rainbow High Speed 1 Die 2 Blow Screw Cold Heading Machine Hot Sale Screw Maker manufacturer

Rainbow High Speed 1 Die 2 Blow Screw Cold Heading Machine Hot Sale Screw Maker

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

More
China Rainbow High Efficiency Screw Bolt Thread Rolling Machine with Manufacture Price manufacturer

Rainbow High Efficiency Screw Bolt Thread Rolling Machine with Manufacture Price

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Rainbow Energy Saving Heat Treatment Furnace High Productivity Mesh Belt Heating Equipment manufacturer

Rainbow Energy Saving Heat Treatment Furnace High Productivity Mesh Belt Heating Equipment

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 Rainbow High Speed 6 Station Spare Parts Making Machine Automatic Nuts Cold Forging Machine manufacturer

Rainbow High Speed 6 Station Spare Parts Making Machine Automatic Nuts Cold Forging Machine

High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.

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China Rainbow High Precision Screw Threading Machine Automatic Bolt Threading Machine manufacturer

Rainbow High Precision Screw Threading Machine Automatic Bolt Threading Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Rainbow Automatic Multi Station Bolt Forming Machine High Precision Cold Forging Machine manufacturer

Rainbow Automatic Multi Station Bolt Forming Machine High Precision Cold Forging Machine

high quality hydraulic forging press bolt making machine power hammer cold forging machine

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China Socket Screw Cold Heading Machine Cold Forming Machine with Long Stroke manufacturer

Socket Screw Cold Heading Machine Cold Forming Machine with Long Stroke

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

More
China TH0432 M4 32mm Screw Making Machine Cold Forging Machine with PKO manufacturer

TH0432 M4 32mm Screw Making Machine Cold Forging Machine with PKO

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

More
China Hex Bolt Self Drilling Machine Cold Heading Machine Screw Forming Machine for Bolt manufacturer

Hex Bolt Self Drilling Machine Cold Heading Machine Screw Forming Machine for Bolt

Place of Origin: China
Application: Machinery & Hardware & Others
Condition: New
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: One Year
Brand Name: Rainbow
Voltage: 380V
Warranty: One Year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Other.
Packaging Details: Plywood Cases

More
China Thread Rolling Machine Drywall Screw Rolling Machine for drywall manufacturer

Thread Rolling Machine Drywall Screw Rolling Machine for drywall

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Thread Rolling Machine Drywall Screw Rolling Machine with Feeding manufacturer

Thread Rolling Machine Drywall Screw Rolling Machine with Feeding

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China High Speed 350pcs/min Thread Rolling Machine Drywall Screw Rolling Machine with Feeding manufacturer

High Speed 350pcs/min Thread Rolling Machine Drywall Screw Rolling Machine with Feeding

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China High Speed 350pcs/min Thread Rolling Machine Drywall Screws Threading Machine manufacturer

High Speed 350pcs/min Thread Rolling Machine Drywall Screws Threading Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China CYO5X M5 Flat Thread Rolling Machine Cold Threading Machine with Vibrator manufacturer

CYO5X M5 Flat Thread Rolling Machine Cold Threading Machine with Vibrator

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Hex bolt M8 Flat thread rolling machine manufacturer

Hex bolt M8 Flat thread rolling machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Hot Sale High Quality Wire Nail Making Machine manufacturer

Hot Sale High Quality 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 so on.

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China Automatic Spring Washer Making Machine manufacturer

Automatic Spring Washer Making Machine

Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers.

We can provide a whole line to make spring washer. The spring wahser production line contains cutting machine, belt wire drawing machine, rolling up machine, coil collection machine.

 Spring washer machine it include three parts :

1 step,drawing the round wire to belt wire machine.

2 step,rolling up machine.

3 step, cutting machine.

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China M30 Fully Automatic Bolt and Screw Thread Rolling Machine for Sale manufacturer

M30 Fully Automatic Bolt and Screw Thread Rolling Machine for Sale

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Full Automatic Nut Crimping Machine Nut Tapping Machine manufacturer

Full Automatic Nut Crimping Machine Nut Tapping Machine

The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...

We have so many different machines, for example,thread rolling machine, nut tapping machine,heading machine, zinc coating machine screw making machine and so on. Same as you want in stock , and we are a long-term supply chain of the store you were noticing . We have our own factory so we can have a long term cooperation with you. Our prices are also very competitive in the market. We can give you the promise that the product quality is guaranteed.We already have good reputation through foreign countries.Friends who have cooperated with us all can recognized this.

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China High Speed Reciprocating Nut Tapping Machine manufacturer

High Speed Reciprocating Nut Tapping Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China High Speed M2- M30 Flange Nut Tapping Machine 2 Spindle Nut Tapper Machine for Threading manufacturer

High Speed M2- M30 Flange Nut Tapping Machine 2 Spindle Nut Tapper Machine for Threading

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China M6 4 Spindle Nut Tapping Machine Nut Threads Forming Machine with High Speed manufacturer

M6 4 Spindle Nut Tapping Machine Nut Threads Forming Machine with High Speed

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More
China Heat Treatment Equipment Mesh Belt Furnace with Customized Technical Plan manufacturer

Heat Treatment Equipment Mesh Belt Furnace with Customized Technical Plan

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 Hot Sale Screw Thread Rolling Machine High Precision Bolt Thread Rolling Machine manufacturer

Hot Sale Screw Thread Rolling Machine High Precision Bolt Thread Rolling Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world.

More