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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

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...

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

Thread Rolling

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...

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 ...

When to Use Spring Washers: A Comprehensive Guide

What Is Cold Forming?

How to convert natural gas consumption into MMbtu

The Relationship Between Natural Gas and MMBtu

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...

Keywords : High Precision

China Taiwan quality 2 die 4 blow screw heading machine for M10 rivet making machine with servo motor manufacturer

Taiwan quality 2 die 4 blow screw heading machine for M10 rivet making machine with servo motor

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

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China 2026 hot sale 2 die 4 blow bolt making machine with high speed header for self tapping screws manufacturer

2026 hot sale 2 die 4 blow bolt making machine with high speed header for self tapping screws

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 Full automatic 3 blow 6 die heading machine for stainless steel product with long service life manufacturer

Full automatic 3 blow 6 die heading machine for stainless steel product with long service life

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 New Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor Engine Easy Operate 380V 20kw 1 manufacturer

New Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor Engine Easy Operate 380V 20kw 1

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

  • High-Power Performance: 20kw motor ensures efficient operation.
  • Durable Structure: Built for long-term use in hardware bolt nut factories.
  • User-Friendly Design: Easy-to-operate interface for smooth production workflow.
  • Reliable Warranty: 1-year warranty on key components for peace of mind.
  • Wide Application: Ideal for manufacturing bolts and nuts across various industries.
More
China Rainbow High Productivity Automatic Screw Threading Machine Thread Roller PLC Controlled Standard Screw Bolt Making Construction manufacturer

Rainbow High Productivity Automatic Screw Threading Machine Thread Roller PLC Controlled Standard Screw Bolt Making Construction

  • 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 High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screw manufacturer

High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screw

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

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China Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw CE manufacturer

Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw CE

  • High-Power Performance: 20kw motor ensures efficient operation.
  • Durable Structure: Built for long-term use in hardware bolt nut factories.
  • Wide Application: Ideal for manufacturing bolts and nuts across various industries.
  • User-Friendly Design: Easy-to-operate interface for smooth production workflow.
  • Reliable Warranty: 1-year warranty on key components for peace of mind.
More
China Fully Automatic 6 Station Bolt Forging machine -2026 New Design manufacturer

Fully Automatic 6 Station Bolt Forging machine -2026 New Design

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

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China 1 Die 2 Blow Screw Cold Heading Machine Automatic Bolt Maker - Harbin Rainbow manufacturer

1 Die 2 Blow Screw Cold Heading Machine Automatic Bolt Maker - Harbin Rainbow

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 Bolt Cold Forging machine  CE manufacturer

Fully Automatic Multi Station Bolt Cold Forging machine CE

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

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China High Speed Automatic Screw Making Machine CE manufacturer

High Speed Automatic Screw Making Machine CE

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 Heat Treatment Furnace Industrial Mesh Belt Furnace -CE manufacturer

Heat Treatment Furnace Industrial Mesh Belt Furnace -CE

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

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China Fully Automatic Multi Station Forging Machine CE manufacturer

Fully Automatic Multi Station Forging Machine CE

China Drywall Screw Making Machine Thread Rolling Machine with CE manufacturer

Drywall Screw Making Machine Thread Rolling Machine with CE

China Bolt Thread Rolling Machine Automatic Threading  - Harbin Rainbow - manufacturer

Bolt Thread Rolling Machine Automatic Threading - Harbin Rainbow -

China Cold Heading Machine Automatic Screw Making Machine manufacturer

Cold Heading Machine Automatic Screw Making Machine

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 CY06Z High Speed Thread Rolling Machine for 3-6mm Screws manufacturer

CY06Z High Speed Thread Rolling Machine for 3-6mm Screws

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

More
China 2026 China Manufacturer Fully Automatic Bolt Cold Forging Machine / Screw Header Machine manufacturer

2026 China Manufacturer Fully Automatic Bolt Cold Forging Machine / Screw Header Machine

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

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China 2026 New Design Thread Rolling Machine for Screw and Bolt Thread Roller with Vibrator manufacturer

2026 New Design Thread Rolling Machine for Screw and Bolt Thread Roller with Vibrator

Various types of thread rolling machine to meet your various needs.

More
China Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw manufacturer

Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine Easy to Operate 380V 20kw

  • High-Power Performance: 20kw motor ensures efficient operation.
  • Durable Structure: Built for long-term use in hardware bolt nut factories.
  • Wide Application: Ideal for manufacturing bolts and nuts across various industries.
  • User-Friendly Design: Easy-to-operate interface for smooth production workflow.
  • Reliable Warranty: 1-year warranty on key components for peace of mind.
More
China CY06Z High-Speed Automatic Thread Rolling Machine for 3-6mm Screw manufacturer

CY06Z High-Speed Automatic Thread Rolling Machine for 3-6mm Screw

Model: CY06Z
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw

More
China Thread Rolling Machine Automatic Flat Die for Fastener Screw Bolt Production Line manufacturer

Thread Rolling Machine Automatic Flat Die for Fastener Screw Bolt Production Line

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 CY10Z High Speed Automatic Thread Rolling Machine for Bolts, 6-10mm Diameter manufacturer

CY10Z High Speed Automatic Thread Rolling Machine for Bolts, 6-10mm Diameter

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 4 Spindle Tapping Machine  with Full Cover Nut Drilling Machine manufacturer

Full Automatic 4 Spindle Tapping Machine with Full Cover Nut Drilling Machine

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

More
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