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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

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 ...

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...

High speed installation cold forging machine bolts and nuts making machine for screw

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...

Max diameter one key molding nut drilling machine 2 spindle nut tapping machine

Nut tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or teeth in the inner side of the holes of th...

Hot popular Cold Forging machine bolt forming machine with inveter for good design

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

What's self-tapping screw?

Self-tapping screws: similar to machine screws, but the threads on the screw for special self-tapping screws with threads. Used to fasten the connecti...

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...

China factory price and Advanced Automatic Screw Maker Thread Rolling Machine

Product Descriptionview more >>Frequently bought togetherHigh Speed Thread Rolling Machine Factory Price Thread Roller Hot Sale Thread Machine$4,800.0...

Keywords : Fully automatic

China cold forging air hammer bolt making machine manufacturer

cold forging air hammer bolt making machine

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

China manufacturer nuts and bolts cold forging machine

China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine More
China China wholesale  heat treatment equipment electric furnace with mesh belt furnace manufacturer

China wholesale heat treatment equipment electric furnace with mesh belt furnace

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China Rainbow 6 station nut and spare parts making machine manufacturer

Rainbow 6 station nut and spare parts making machine

high capacity,high precision,full automatic,cold forging machine, nut making machine More
China Rainbow full automatic 4 spindle nut tapping machine manufacturer

Rainbow full automatic 4 spindle nut tapping machine

Full automatic automatic automatic walnut machine, suitable for Hex and Flang Nut product. More
China High Speed 4 spindle nut tapping machine manufacturer

High Speed 4 spindle nut tapping machine

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China factory price high speed zinc plating equipment manufacturer

factory price high speed zinc plating equipment

China factory price high speed nut making machine manufacturer

factory price high speed nut making machine

Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Machine, Wire Drawing Machine and Mesh Belt Furnace,Zinc Plating Machine, etc. We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business. More
China factory price high speed bolt making machine manufacturer

factory price high speed bolt making machine

Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a great in... More
China Chinese factory price  Spring Washer Making Machinery wire spring making machines manufacturer

Chinese factory price Spring Washer Making Machinery wire spring making machines

27 可添加模块Product Description More
China Specialized production heat treatment equipment electric furnace with mesh belt furnace manufacturer

Specialized production heat treatment equipment electric furnace with mesh belt furnace

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China High precision Increase product hardness mesh belt furnace heat treatment equipment manufacturer

High precision Increase product hardness mesh belt furnace heat treatment equipment

The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer ... More
China Great promotion nut making  Tapping Machine for nuts manufacturer

Great promotion nut making Tapping Machine for nuts

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China used friction screw press machines for sale nuts machine crusing Tapping Machine manufacturer

used friction screw press machines for sale nuts machine crusing Tapping Machine

Full automatic 4 speindle nut tapping machine,suitable for hex and flange nut product. More
China 1-die 2-blow screw produce machine screw heading machine cold forging machine manufacturer

1-die 2-blow screw produce machine screw heading machine cold forging machine

Model RSH5-80
Max. Blank Diameter (mm) 5
Max. Blank Length (mm) 80
Max. Cut off Length (mm) 95
Stroke (mm) 110
Output (Pcs/Min) 90-110
Main Die Diameter (mm) Φ34.5X100
Punch Die Diameter (1st) (mm) Φ31X75
Punch Die Diameter (2nd) (mm) Φ31X75
Cut off Die Diameter (mm) Φ19X35
Cutter Size (mm) 10X35X72
Main Motor Power (KW) 4.0HP/3.0KW
Machine Size (L*W*H) (m) 2.40X1.15X1.25
Approx Weight (Kgs) 1850 More
China China manufacturer supply screw maker rivet nail bolt making machine manufacturer

China manufacturer supply screw maker rivet nail bolt making machine

Model RSH8-90
Max. Blank Diameter (mm) 8
Max. Blank Length (mm) 90
Max. Cut off Length (mm) 120
Stroke (mm) 130
Output (Pcs/Min) 80-90
Main Die Diameter (mm) Φ60X120
Punch Die Diameter (1st) (mm) Φ40X120
Punch Die Diameter (2nd) (mm) Φ40X120
Cut off Die Diameter (mm) Φ28X45
Cutter Size (mm) 12X42X90
Main Motor Power (KW) 10HP/7.5KW
Machine Size (L*W*H) (m) 3.60X1.60X1.80
Approx Weight (Kgs) 4800 More
China Thread Rolling Machine From Rainbow Brand manufacturer

Thread Rolling Machine From Rainbow Brand

正 在 等待 翻译 …… More
China China supplier bolt make machine screw forming machine rivet producing machine manufacturer

China supplier bolt make machine screw forming machine rivet producing machine

Model RSH8-120
Max. Blank Diameter (mm) 8
Max. Blank Length (mm) 120
Max. Cut off Length (mm) 140
Stroke (mm) 156
Output (Pcs/Min) 60-80
Main Die Diameter (mm) Φ60X160
Punch Die Diameter (1st) (mm) Φ40X120
Punch Die Diameter (2nd) (mm) Φ40X120
Cut off Die Diameter (mm) Φ28X45
Cutter Size (mm) 12X42X90
Main Motor Power (KW) 10HP/7.5KW
Machine Size (L*W*H) (m) 3.75X1.60X1.80
Approx Weight (Kgs) 4900 More
China China supplier rivets make machine screw making machine cold forging machine manufacturer

China supplier rivets make machine screw making machine cold forging machine

Heading Machine
Model RSH10-120
Max. Blank Diameter (mm) 10
Max. Blank Length (mm) 120
Max. Cut off Length (mm) 140
Stroke (mm) 150
Output (Pcs/Min) 50-60
Main Die Diameter (mm) Φ80X160
Punch Die Diameter (1st) (mm) Φ55X150
Punch Die Diameter (2nd) (mm) Φ55X150
Cut off Die Diameter (mm) Φ40X50
Cutter Size (mm) 16X55X115
Main Motor Power (KW) 15HP/11KW
Machine Size (L*W*H) (m) 4.80X1.80X1.70
Approx Weight (Kgs) 8450 More
China Flexible nut tapping machine Factory direct supply 4 spindle tapping machine manufacturer

Flexible nut tapping machine Factory direct supply 4 spindle tapping machine

Product name Nut tapping machine Model ... More
China Rainbow factory supplier screw heading machine screw making machine manufacturer

Rainbow factory supplier screw heading machine screw making machine

Heading Machine
Model RSH12-250
Max. Blank Diameter (mm) 12
Max. Blank Length (mm) 250
Max. Cut off Length (mm) 270
Stroke (mm) 300
Output (Pcs/Min) 30-40
Main Die Diameter (mm) Φ88X330
Punch Die Diameter (1st) (mm) Φ60X180
Punch Die Diameter (2nd) (mm) Φ60X180
Cut off Die Diameter (mm) Φ45X60
Cutter Size (mm) 18X60X125
Main Motor Power (KW) 25HP/18.5KW
Machine Size (L*W*H) (m) 5.20X1.90X1.80
Approx Weight (Kgs) 15000 More
China factory good price cold heading machine large size screw producing machine manufacturer

factory good price cold heading machine large size screw producing machine

Heading Machine
Model RSH12-450
Max. Blank Diameter (mm) 12
Max. Blank Length (mm) 450
Max. Cut off Length (mm) 480
Stroke (mm) 550
Output (Pcs/Min) 25-35
Main Die Diameter (mm) Φ90X540
Punch Die Diameter (1st) (mm) Φ60X270
Punch Die Diameter (2nd) (mm) Φ60X270
Cut off Die Diameter (mm) Φ45X60
Cutter Size (mm) 18X60X125
Main Motor Power (KW) 25HP/22KW
Machine Size (L*W*H) (m) 6.50X2.25X2.10
Approx Weight (Kgs) 20800 More
China 1-die 2-blow cold heading machine screw making machine manufacturer

1-die 2-blow cold heading machine screw making machine

Heading Machine
Model RSH8-300
Max. Blank Diameter (mm) 8
Max. Blank Length (mm) 300
Max. Cut off Length (mm) 330
Stroke (mm) 365
Output (Pcs/Min) 25-35
Main Die Diameter (mm) Φ60X360
Punch Die Diameter (1st) (mm) Φ40X180
Punch Die Diameter (2nd) (mm) Φ40X180
Cut off Die Diameter (mm) Φ28X60
Cutter Size (mm) 12X42X90
Main Motor Power (KW) 10HP/7.5KW
Machine Size (L*W*H) (m) 4.30X1.60X1.90
Approx Weight (Kgs) 8500 More
China Chinese high speed screw header one die two blow manufacturer

Chinese high speed screw header one die two blow

Chinese high speed screw header one die two blow More