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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

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

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...

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...

When to Use Spring Washers: A Comprehensive Guide

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 ...

Pros and Cons of Cold Forging and Hot Forging

Keywords : High Precision

China High Speed Self Drilling Screws Cold Forging Press 1 Die 2 Blow High Speed Cold Heading Machine manufacturer

High Speed Self Drilling Screws Cold Forging Press 1 Die 2 Blow High Speed Cold Heading Machine

Multi stations Metal Forging Machinery Cold Header Heading Machine Screw Making Machines cold heading machine price

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China Multi Station Cold Heading Machine Automatic Bolt Screw Rivet Nut Making Cold Forging Former Machine manufacturer

Multi Station Cold Heading Machine Automatic Bolt Screw Rivet Nut Making Cold Forging Former Machine

This multi-station cold heading machine is fully automatic cold forging equipment for fastener manufacturing. It can complete multiple forming processes in one machine, greatly improving production efficiency and reducing labor cost. The equipment runs stably with low failure rate, adopts precision casting body and high strength crankshaft structure, long service life. It can produce various standard bolts, screws, rivets, nuts and irregular special-shaped hardware without secondary cutting. Suitable for fastener factories, automotive hardware, construction fastener and electronics hardware workshops. We support customized station quantity, die size and production configuration according to customer workpiece requirements. We provide on-site installation guidance and long-term after-sales service.

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China Fully Automactic Factory Good Price Bolts and Nut Part Cold Forging Machine manufacturer

Fully Automactic Factory Good Price Bolts and Nut Part Cold Forging Machine

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

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China 2026 Factory Good Price Fully Automatic Different Nut Washer Assembly Machine manufacturer

2026 Factory Good Price Fully Automatic Different Nut Washer Assembly 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,...

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China 2026 Hot Sale Fully Automatic Screw Bolt Stud Thread Rolling Machine manufacturer

2026 Hot Sale Fully Automatic Screw Bolt Stud 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.

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China Rainbow Good Price Fully Automatic M16-M20 Nut Part Forming Machine Cold Forging Machine manufacturer

Rainbow Good Price Fully Automatic M16-M20 Nut Part Forming Machine 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 2026 Hot Sale Good Price Fully Automatic Screw Making Machine manufacturer

2026 Hot Sale Good Price Fully 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

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China High Speed M4 Screw Heading Machine for Fastener Production manufacturer

High Speed M4 Screw Heading Machine for Fastener Production

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 High speed M3 Screw header for Fastener manufacturing Heading Machine manufacturer

High speed M3 Screw header for Fastener manufacturing Heading 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

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China High Precision Screw Thread Rolling Machine at Manufacturer Price manufacturer

High Precision Screw Thread Rolling Machine at Manufacturer Price

China Fully automatic 1 die 2 blow cold header for Bolts and Screws Studs manufacturer

Fully automatic 1 die 2 blow cold header for Bolts and Screws Studs

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 M8 Cold heading  machine Drywall screws Making Machine manufacturer

M8 Cold heading machine Drywall screws 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

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China Automatic High Speed Screw Cold Heading Machine Screw Header manufacturer

Automatic High Speed Screw Cold Heading Machine Screw Header

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 High Quality Screw Thread Rolling Machine Bolt Threading Machine manufacturer

High Quality Screw Thread Rolling Machine Bolt Threading Machine

China Hydraulic Thread Rolling Machine High Speed Cold Thread Roller for Bolt Screw Stud Fastener Production Line manufacturer

Hydraulic Thread Rolling Machine High Speed Cold Thread Roller for Bolt Screw Stud Fastener Production Line

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 One Die Two Blow Header Cold Heading Die for Rivet Making Machine manufacturer

One Die Two Blow Header Cold Heading Die for Rivet 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

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China High Hardness One Die Two Blow Header Mold Fastener Forming Header manufacturer

High Hardness One Die Two Blow Header Mold Fastener Forming Header

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 Fastener Forging Mould One Die Two Blow Header, High Precision One Die Two Blow Header Die for Bolt Manufac manufacturer

Fastener Forging Mould One Die Two Blow Header, High Precision One Die Two Blow Header Die for Bolt Manufac

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 Double Blow One Die Header Machine Die, One Die Two Blow Header Mold for Screw Bolt Rivet Making manufacturer

Double Blow One Die Header Machine Die, One Die Two Blow Header Mold for Screw Bolt Rivet Making

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 One Die Two Blow Header Cold Forging Header Die, Double Blow Hex Bolt Forming Header Mold for Fastener Production manufacturer

One Die Two Blow Header Cold Forging Header Die, Double Blow Hex Bolt Forming Header Mold for Fastener Production

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 Most popular cold heading  machine for M8 sefl tapping screws with high capacity manufacturer

Most popular cold heading machine for M8 sefl tapping screws with high capacity

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 High Speed Automatic Cold Heading Machine | Multi-Station Cold Forging Equipment for Bolt Screw Nut Fastener Manufacturing manufacturer

High Speed Automatic Cold Heading Machine | Multi-Station Cold Forging Equipment for Bolt Screw Nut Fastener Manufacturing

This automatic cold heading machine is professional cold forging equipment designed for mass production of fasteners and precision metal parts. Adopting mature cold forming technology, it completes workpiece head forming at room temperature without heating, which effectively cuts production cost and improves processing efficiency.

The equipment is built with a high-rigidity integral machine body, matched with precision die system and fully automatic wire feeding mechanism. It features stable high-speed operation, high forming dimensional accuracy and low failure rate, supporting continuous uninterrupted production, greatly reducing labor input and ensuring consistent quality of mass-produced products.

It is widely used in fastener manufacturing, automotive hardware, electronic components, construction hardware and other industries, suitable for producing bolts, screws, nuts, rivets, studs and various standard & non-standard special-shaped cold heading parts. We provide full services including pre-sales solution customization, on-site installation guidance and lifelong technical support to match different production demands of customers.

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China Industrial Continuous Mesh Belt Quenching Furnace for Screws Nails Fasteners Heat Treatment Hardening manufacturer

Industrial Continuous Mesh Belt Quenching Furnace for Screws Nails Fasteners Heat Treatment Hardening

This industrial continuous quenching furnace is professionally designed for the hardening, quenching and tempering heat treatment of metal fasteners (screws, nails, bolts, nuts) and small precision mechanical parts.

Adopting a high-efficiency thermal insulation structure and intelligent digital temperature control system, it ensures stable and uniform temperature inside the furnace, delivers consistent quenching hardness, and effectively reduces workpiece deformation and oxidation decarburization. The furnace body is built with heavy-duty heat-resistant materials and high-quality heating components for long service life and low failure rate.

With a continuous mesh belt conveying structure, the equipment supports uninterrupted mass production, significantly improves processing efficiency and cuts labor costs. It is widely used in fastener manufacturing, hardware processing, auto parts and other industries. Furnace specifications and process parameters can be fully customized according to actual production requirements.

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

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

  • 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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