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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

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

How does a thread rolling machine work

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 ...

Keywords : High Precision

China New Model Six Station RBF146LH Cold Heading Machine Bolt manufacturer

New Model Six Station RBF146LH Cold Heading Machine Bolt

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

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China Fully Automatic 6 Station Cold Upsetting  machine Bolt Machine manufacturer

Fully Automatic 6 Station Cold Upsetting machine Bolt Machine

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

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China Fully Automatic Multi Station Cold Upsetting machine Bolt Machine manufacturer

Fully Automatic Multi Station Cold Upsetting machine Bolt Machine

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

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China 1 Die 2 Blow M8 Screw Machine Fully Cover manufacturer

1 Die 2 Blow M8 Screw Machine Fully Cover

China Fully Cover Automatic Screw Making Machine High Precision manufacturer

Fully Cover Automatic Screw Making Machine High Precision

China Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -High Precision manufacturer

Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making -High Precision

  • 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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China M18-M22 Hex Bolt  Thread Rolling Machine - High Precious manufacturer

M18-M22 Hex Bolt Thread Rolling Machine - High Precious

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 M30 Screw Threading Machines -High Precision manufacturer

M30 Screw Threading Machines -High Precision

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 Fully Automatic RNF22B  M16 NUT MAKING MACHINE manufacturer

Fully Automatic RNF22B M16 NUT MAKING 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 Automatic Hot Dip Galvanizing Line, Continuous Galvanizing Production Line for Fasteners & Steel Parts manufacturer

Automatic Hot Dip Galvanizing Line, Continuous Galvanizing Production Line for Fasteners & Steel Parts

This hot dip galvanizing line is specially designed for anti-corrosion treatment of fasteners and steel workpieces.

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China High Speed Cold Heading Machine, Automatic Bolt Making Machine for Fastener Production manufacturer

High Speed Cold Heading Machine, Automatic Bolt Making Machine for Fastener Production

This cold heading machine is the core equipment for fastener manufacturing. It forms the head of bolts and screws by cold forging metal wire. It works with thread rolling machine to complete the whole bolt production line. It features high efficiency, high strength of finished workpiece, low material loss, ideal for mass production of hardware fasteners.

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China High Speed Thread Rolling Machine, Automatic Screw Thread Roller for Fastener Bolt Screw Making manufacturer

High Speed Thread Rolling Machine, Automatic Screw Thread Roller for Fastener Bolt Screw Making

This thread rolling machine is used for cold rolling thread on bolts, screws and studs. It improves thread tensile strength and surface finish, compared with thread cutting. Widely matched with cold heading machine for full fastener production line. Stable running, high output, suitable for mass fastener manufacturing.

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China Industrial Cold Heading Machine, High Speed Bolt and Nut Heading Machine for Metal Fastener Manufacturing manufacturer

Industrial Cold Heading Machine, High Speed Bolt and Nut Heading Machine for Metal Fastener Manufacturing

This cold heading machine is designed for the mass production of bolts, nuts, screws, rivets, pins and other metal fasteners.

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China Industrial Quenching Furnace, High Temperature Metal Heat Treatment Furnace for Steel Hardenin manufacturer

Industrial Quenching Furnace, High Temperature Metal Heat Treatment Furnace for Steel Hardenin

This quenching furnace is professional industrial heat treatment equipment, widely used for quenching hardening of various metal workpieces such as fasteners, bolts, nuts, bearings and mould steel. It adopts reliable heating system and precise PLC temperature control system to guarantee uniform temperature inside the furnace. We support customized size, heating method and quenching process to match your production requirement.

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China Multi Station Cold Header Cold Heading Machine 2 Die 4 Blow Header Screw Header with PKO manufacturer

Multi Station Cold Header Cold Heading Machine 2 Die 4 Blow Header Screw Header 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

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China Multi Station Cold Header Cold Heading Machine 2 Die 4 Blow Header Screw Header with cover manufacturer

Multi Station Cold Header Cold Heading Machine 2 Die 4 Blow Header Screw Header with cover

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 Rainbow Automatic Screw Threading Machine 3-5mm High Speed Bolt Thread Maker Flat Die Rolling Equipment for Screw Plant manufacturer

Rainbow Automatic Screw Threading Machine 3-5mm High Speed Bolt Thread Maker Flat Die Rolling Equipment for Screw Plant

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 Thread Rolling Machine with Machinery Test Report and Video Inspection OEM Voltage Screw Threading Equipment for Importers manufacturer

Rainbow Thread Rolling Machine with Machinery Test Report and Video Inspection OEM Voltage Screw Threading Equipment for Importers

China Rainbow 2.2kw 90-120pcs/min PLC Control Thread Rolling Machine Industrial Screw Threading Equipment for Fastener Production manufacturer

Rainbow 2.2kw 90-120pcs/min PLC Control Thread Rolling Machine Industrial Screw Threading Equipment for Fastener Production

China Rainbow Small Automatic Screw Thread Rolling Machine 3-5mm Bolt Threader Flat Die Threading Equipment for Hardware Workshop manufacturer

Rainbow Small Automatic Screw Thread Rolling Machine 3-5mm Bolt Threader Flat Die Threading Equipment for Hardware Workshop

China Multi Station Bolt Cold Heading Machine for Screw and Stud Forming manufacturer

Multi Station Bolt Cold Heading Machine for Screw and Stud Forming

Our multi-station bolt cold heading machine is professional equipment to form bolts, screws and studs from metal wire. It adopts cast iron heavy frame and PLC control system, features stable running, high forming precision and low failure rate. It supports processing mild steel and stainless steel raw materials, widely used in fastener manufacturing factories. We can provide customized solution according to your fastener specifications.

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China High Speed Automatic Nut Cold Heading Forming Machine Industrial Nut Making Equipment manufacturer

High Speed Automatic Nut Cold Heading Forming Machine Industrial Nut Making Equipment

his automatic nut cold heading forming machine is a high performance special equipment designed for mass production of various standard and non standard nuts. Adopting advanced multi station cold forging technology it integrates feeding heading forming and discharging automatically realizing high efficiency and high precision one time forming.

Widely used in fastener manufacturing hardware processing automotive parts construction hardware and other industries the machine can process carbon steel stainless steel alloy steel and other metal materials with stable operation low failure rate and long service life. It is an ideal equipment for nut production enterprises to improve production capacity and product quality.

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China 2026 hot sale fully automatic M10 nylon nut assembly machine manufacturer

2026 hot sale fully automatic M10 nylon nut 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 Good Price Automatic Gasket Spring Making Machine Spring Washer Making Machine manufacturer

Good Price Automatic Gasket Spring Making Machine 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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