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Harbin Rainbow Technology Co., Ltd.
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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
How to convert natural gas consumption into MMbtu
The Relationship Between Natural Gas and MMBtuWhat Is Cold Forming?
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
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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine with Motor & Engine 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.
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High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screws
Model: CY06Z
More
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw
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Rainbow High Precision Full Automatic Cold Heading Nut Forming Machine PLC Controlled Motor Engine Easy Operate 380V 20kw
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.
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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.
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Taiwan quality 2 die 4 blow screw heading machine for M10 rivet making machine with servo motor
Place of Origin: China
More
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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2026 hot sale 2 die 4 blow bolt making machine with high speed header for self tapping screws
Place of Origin: China
More
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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Full automatic 3 blow 6 die heading machine for stainless steel product with long service life
Place of Origin: China
More
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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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.
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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.
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High Precision Automatic Flat Die Thread Rolling Machine for Bolt Screw
Model: CY06Z
More
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw
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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.
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Fully Automatic 6 Station Bolt Forging machine -2026 New Design
high quality hydraulic forging press bolt making machine power hammer cold forging machine
More
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1 Die 2 Blow Screw Cold Heading Machine Automatic Bolt Maker - Harbin Rainbow
Place of Origin: China
More
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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Fully Automatic Multi Station Bolt Cold Forging machine CE
high quality hydraulic forging press bolt making machine power hammer cold forging machine
More
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High Speed Automatic Screw Making Machine CE
Place of Origin: China
More
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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Heat Treatment Furnace Industrial Mesh Belt Furnace -CE
Composition entire heat treatment line as follows:
More
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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Cold Heading Machine Automatic Screw Making Machine
Place of Origin: China
More
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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CY06Z High Speed Thread Rolling Machine for 3-6mm Screws
Model: CY06Z
More
Diameter range: 3-6mm
Output: 165-185pcs/min
Max. thread length: 75mm
Moving die size: 90x105x25
Power: 4Kw
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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
More
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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
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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.
