Home  > Category
Browse Categories
Bolt Making Machine Supplier
Thread rolling machine supplier
Nut Making Machine Supplier
Nut tapping machine China Suppliers
Heat Treatment Furnace
Zinc plating production line solution
Colding Heading Machine suppliers
two die four blow cold forging machine
Three die six blow cold forging machine
wire drawing machine
Round type thread rolling machine
Washer assembling machine
Spring washer making machine
Bi-metal Rivet machine
Optical sorting machine
packing machine
Pipe bending machine
Automatic Knurling Machine
Bolt end cutting machine
Automatic nut slotting machine
die tooling
Taps tapping tooling
Cash Counting Machine
Punch accessories
Nylon washer assembly machine
Hot Dip Galvanizing Line
Certifications
Contact Us
Harbin Rainbow Technology Co., Ltd.Address:C2-02 Handi Building,Songbei Distr.,Harbin,ChinaPostal Code:150028Web site address:http://www.fastenerequip... Contact Now
News

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

How does a thread rolling machine work

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

How to convert natural gas consumption into MMbtu

The Relationship Between Natural Gas and MMBtu

Thread Rolling

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...

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...

When to Use Spring Washers: A Comprehensive Guide

Pros and Cons of Cold Forging and Hot Forging

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 ...

Category

China Fully Automatic 6 Station Cold Upsetting  machine -2026 New Design manufacturer

Fully Automatic 6 Station Cold Upsetting machine -2026 New Design

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

More
China 1 Die 2 Blow M8 Screw Machine - 2026 New Design manufacturer

1 Die 2 Blow M8 Screw Machine - 2026 New Design

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 Fully Automatic Multi Station Cold Upsetting machine - 2026 New Design manufacturer

Fully Automatic Multi Station Cold Upsetting machine - 2026 New Design

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

More
China Fully Cover Automatic Screw Making Machine CE - 2026 New Design manufacturer

Fully Cover Automatic Screw Making Machine CE - 2026 New Design

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 Composite Rivet Making Machine -Harbin Rainbow CE - 2026 New Design manufacturer

Composite Rivet Making Machine -Harbin Rainbow CE - 2026 New Design

Trimetal Composite Contact Cold Header can make six different metals be compounded together under cold state to produce composite contacts according to the technique requirements. Its working process includes the following steps: Sending two different kinds of metal wire into the machine firstly, transmitting them into the mould after being cut off. Then by two times upsetting process, the two kinds of metal become the composite contacts. Finally, the products retreat from the mould and enter into the finished product box.

 

More
China Full Automatic Spindle Tapping & Nut Drilling Machine with PLC -2026 New Design manufacturer

Full Automatic Spindle Tapping & Nut Drilling Machine with PLC -2026 New Design

China Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -2026 New Design manufacturer

Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -2026 New Design

  • High-Speed Operation: Produces up to 100 sets per month for efficient production.
  • Durable Construction: Built for long-term use in construction workshops.
  • Flat Die Design: Ensures precise thread rolling for screws and bolts.
  • Customizable Options: Offers flexibility for various screw and bolt sizes.
  • Reliable Warranty: One-year warranty for peace of mind.
More
China Flange Nut Threading Machine Nut Tapping Machine 4 Spindles - 2026 New Design manufacturer

Flange Nut Threading Machine Nut Tapping Machine 4 Spindles - 2026 New Design

China M30 Screw Threading Machines - 2026 New Design manufacturer

M30 Screw Threading Machines - 2026 New Design

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 M18-M22 Hex Bolt  Thread Rolling Machine - 2026 New Design manufacturer

M18-M22 Hex Bolt Thread Rolling Machine - 2026 New Design

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 RNF22B NUT FORMER MACHINE - 2026 New Design manufacturer

Full Automatic RNF22B NUT FORMER MACHINE - 2026 New Design

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

More
China Full Automatic Nail Making Machine - 2026 New Design manufacturer

Full Automatic Nail Making Machine - 2026 New 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(NINGBO), one Thread rolling machine factory(NINGBO), one Heat treatment furnace factory (SUQIAN) and one Electroplating equipment factory(WUXI).

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. 

With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years. Nowadays, more and more reputed companies compete in a long-term cooperation with us.

We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

More
China China 2026 Hot Sale Automatic 3 to 33mm Spring Washer Cutting Machine manufacturer

China 2026 Hot Sale Automatic 3 to 33mm Spring Washer Cutting Machine

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

More
China China Good Price Fully Automatic M5-M6 Long Nut Part Cold Forging Machine manufacturer

China Good Price Fully Automatic M5-M6 Long Nut Part Cold Forging 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 China Good Quality Low Price Fully Automatic Nail Making Machine manufacturer

China Good Quality Low Price Fully Automatic Nail Making 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 2026 Hot Sale Good Price Spring Washer Making Machine manufacturer

2026 Hot Sale Good Price 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.

More
China Fully Automatic RBF-84S Bolt Making Machine Cold Forging Machine manufacturer

Fully Automatic RBF-84S Bolt Making Machine Cold Forging Machine

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).

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, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.

Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!

More
China Fully Automatic High Quality Cold Heading Machine Screw Making Machine manufacturer

Fully Automatic High Quality Cold Heading Machine Screw Making Machine

Harbin Rainbow Technology Co. , Ltd comes from China National Machinery Import and Export Corp. Harbin branch. The main business is manufacturing cold forging machine, Bolt Maker, Nut Maker, Part Former, Screw Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace, Zinc plating plant. etc. We have our own factories in China, so you don't have to worry about the source of goods.

More
China Rainbow 2026 Hot Sale Multi-Station Bolt Cold Forging Machine manufacturer

Rainbow 2026 Hot Sale Multi-Station Bolt Cold Forging Machine

Model

Unit

RBF-65S

RBF-85S RBF-105S RBF-135S

Forging force

Kgs

43,000

85,000 98,000 145,000

Max cut-off dia

mm

8

10 12 15

Max cut off length

mm

95

100 133 185

Speed range

pcs/min

120-200

95-160 90-150 60-105

P.K.O Stroke

mm

15

26 20 30

K.O stroke

mm

80

85 110 160

Main slide stroke

mm

136

140 190 270

Main motor

kw

15

22 30 37

Cut-off die size

mm

30*45L

35*62L 45*59L 63*69L

Punch die size

mm

40*90L

45*115L 53*115L 60*130L

Main die size

mm

50*110L

60*120L 75*135L 86*190L

Die pitch

mm

60

80 94 110

Main weight

kgs

11,000

17,000 20,000 32,000

Normal bolt size

mm

3-6

5-8 6-10 8-12.7

Shank length of blank

mm

10-75

15-75 15-100 20-150
More
China China Rainbow 2026 Hot Sale 1000kg/h Mesh Belt Furnace manufacturer

China Rainbow 2026 Hot Sale 1000kg/h Mesh Belt Furnace

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 China Rainbow 2026 Hot Sale Full Automatic Screw Making Machine Cold Heading Machine manufacturer

China Rainbow 2026 Hot Sale Full Automatic Screw Making Machine Cold Heading Machine

Harbin Rainbow Technology Co. , Ltd comes from China National Machinery Import and Export Corp. Harbin branch. The main business is manufacturing cold forging machine, Bolt Maker, Nut Maker, Part Former, Screw Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace, Zinc plating plant. etc. We have our own factories in China, so you don't have to worry about the source of goods.

More
China Good Price Fully Automatic M20-M30 Bolt and Screw Thread Rolling Machine manufacturer

Good Price Fully Automatic M20-M30 Bolt and Screw 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 2026 Hot Sale Full Automatic Nut Rivet Crimping Machine manufacturer

2026 Hot Sale Full Automatic Nut Rivet Crimping 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.

More
China China Good Price 4 Spindle Fully Automatic M14-M16 Nut Tapping Machine manufacturer

China Good Price 4 Spindle Fully Automatic M14-M16 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
  • Home
  • Previous
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • Next
  • End
  • Current Page:1/107  Total 2568  items