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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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Keywords : High Precision

China 2026 Hot Sale Multi-Station Fully Automatic Bolt Maker Cold Forging Machine manufacturer

2026 Hot Sale Multi-Station Fully Automatic Bolt Maker Cold Forging Machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine

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China 2026 Hot Sale Bolt Head One Slot Cutting Machine manufacturer

2026 Hot Sale Bolt Head One Slot Cutting Machine

Net weight: 700kg
Cutter motor: 1.1Kw
Vibrator motor: 1.1Kw
Pump: 400W
Speed: 80-350 pieces/minute
Cutting speci: out dia 40-80mm;
               inner Dia 16mm

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China Rainbow High Speed Screw Cold Heading Machine Automatic 1 Die 2 Blow Bolt Making Machine manufacturer

Rainbow High Speed Screw Cold Heading Machine Automatic 1 Die 2 Blow Bolt 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 Rainbow Automatic Spring Washer Making Machine High Speed Spring Washer Cutting Machine manufacturer

Rainbow Automatic Spring Washer Making Machine High Speed 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.

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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China Rainbow Automatic Screw Thread Rolling Machine High Precision Threading Roller manufacturer

Rainbow Automatic Screw Thread Rolling Machine High Precision Threading Roller

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 Automatic Bolt Cold Forging Machine Screw Multi Station Forming Machine manufacturer

Rainbow Automatic Bolt Cold Forging Machine Screw Multi Station Forming Machine

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

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China Rainbow Hot Sale Bolt Thread Rolling Machine Automatic Screw Making Machine manufacturer

Rainbow Hot Sale Bolt Thread Rolling Machine Automatic Screw Making Machine

China Rainbow Automatic Screw Thread Rolling Machine High Precision Bolt Threading Machine manufacturer

Rainbow Automatic Screw Thread Rolling Machine High Precision Bolt Threading Machine

China Rainbow Automatic Screw Cold Heading Machine High Efficiency Bolt Making Machine manufacturer

Rainbow Automatic Screw Cold Heading Machine High Efficiency Bolt 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 2026 hot sale cold heading  machine for M8 drywall screws with full cover manufacturer

2026 hot sale cold heading machine for M8 drywall screws with full 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 Full automatic 1 die 2 blow cold header for Fastener manufacturing manufacturer

Full automatic 1 die 2 blow cold header for Fastener manufacturing

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 High Speed Screw Thread Rolling Machine Hot Sale Thread Roller with Manufacture Price manufacturer

Rainbow High Speed Screw Thread Rolling Machine Hot Sale Thread Roller with Manufacture Price

China High speed Screw header for Fastener manufacturing manufacturer

High speed Screw header for Fastener manufacturing

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 Precision Screw Heading Machine for Fastener Production manufacturer

High Precision 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

More
China Screw Threading Machines manufacturer

Screw Threading Machines

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 Full Automatic Continuous Mesh Belt Heat Treatment Furnace for Fastener Screw Bolt Nut Quenching Tempering Carburizing manufacturer

Full Automatic Continuous Mesh Belt Heat Treatment Furnace for Fastener Screw Bolt Nut Quenching Tempering Carburizing

Our mesh belt heat treatment furnace is a continuous automatic production equipment specially developed for fastener hardware industry, widely applied for quenching, tempering, carburizing and carbonitriding of carbon steel, alloy steel fasteners including grade 8.8, 10.9, 12.9 high-strength bolts, nuts, studs and rivets.

Adopting thick reinforced furnace shell and multi-layer ultra-low heat loss refractory insulation structure, the equipment greatly reduces power consumption and long-term operation cost. Equipped with independent multi-zone PID temperature control system, it realizes ultra-uniform heating to ensure consistent hardness, toughness and mechanical performance of every batch fasteners, effectively avoiding defective products caused by temperature deviation.

The 310S high temperature resistant stainless steel mesh belt carries workpieces stably, matched with vector frequency conversion transmission to adjust feeding speed flexibly for different process requirements. We configure complete protective atmosphere system to keep fastener surface bright without oxidation and decarburization, eliminating post-processing polishing cost.

Whole set can be customized as single quenching furnace, single tempering furnace, or integrated quenching-tempering linkage production line according to your factory output and workshop layout. We provide one-stop service including scheme design, production, installation debugging, worker operation training and global after-sales engineer support. The machine runs stably for 24-hour mass production, which is the standard heat treatment equipment for medium and large fastener manufacturing factories worldwide.

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China Automatic Nut Tapping Machine High Speed Internal Thread Processing Equipment manufacturer

Automatic Nut Tapping Machine High Speed Internal Thread Processing Equipment

Our automatic nut tapping machine is specialized equipment for internal thread tapping of all kinds of nuts, widely matched with cold heading machines in fastener production lines.

Main Product Advantages

  1. High tapping precision, stable thread tolerance, low defective rate
  2. Full-automatic feeding & tapping, greatly cut manual operation cost
  3. Easy mold switching to produce different size nuts flexibly
  4. Compact body structure, low failure rate and long service life

This tapping equipment is an essential matching machine for standard parts factories and hardware fastener manufacturers.

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China 3 Die 6 Blow Cold Heading Machine Automatic Screw Bolt Forming Machine manufacturer

3 Die 6 Blow Cold Heading Machine Automatic Screw Bolt Forming Machine

Our 3 Die 6 Blow cold heading machine is multi-station automatic cold forging equipment designed for mass production of screws, bolts and rivets. Adopting integrated die set and stable mechanical structure, it completes cutting, pre-forming and heading in one single procedure.

Features:

  • High finished product precision, low material waste
  • Stable running, long service life of moulds
  • Suitable for various fastener raw materials
  • Widely used in hardware & fastener manufacturing factory
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China M18-M22 Hex Bolt  Thread Rolling Machine manufacturer

M18-M22 Hex Bolt 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 Full Automatic RNF22B NUT FORMER MACHINE manufacturer

Full Automatic RNF22B NUT FORMER 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 M30 Screw Threading Machines manufacturer

M30 Screw Threading Machines

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 Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making manufacturer

Threading Machine Thread Roller PLC Controlled Standard Screw&Bolt Making

  • 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 Fully Cover Automatic Screw Making Machine CE manufacturer

Fully Cover 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 Fully Automatic Multi Station Cold Upsetting machine manufacturer

Fully Automatic Multi Station Cold Upsetting machine

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

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