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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 automatic counting and packing machine manufacturer

automatic counting and packing machine

Machine Instruction: The vibration disk, linear vibration collating unit and precise counting control unit are customized according to the screw sampl... More
China HSD-30 series Bi-metal rivet machine manufacturer

HSD-30 series Bi-metal rivet machine

Bimetal composite contact cold header is the key equipment manufacturing composite contacts.It can make 6 different metals be compounded together unde... More
China RSH series Heading machine manufacturer

RSH series Heading machine

alient Features The latest design, beautiful appearance, high speed, high efficiency, low energy consumption, easy to operate. Important components, s... More
China Heat treatment furnace Continuous Mesh-belt furnace manufacturer

Heat treatment furnace Continuous Mesh-belt furnace

The whole set heat treatment line is composed of:
Automatic Feeding Machine → Front Washer →
Hardening Furnace → Oil quenching tank →
Rear Washer → Tempering furnace →
Electric Control Cabinet, etc.
The buyer can compose the treatment line flexiblely due to different demands More
China RBF-84S bolt former/cold forging /bolt maker manufacturer

RBF-84S bolt former/cold forging /bolt maker

Product Description: Application territory:        Auto multi-station cold former is a speciallized machine tool with high efficiency and automation a... More
China M16 5 station bolt making machine manufacturer

M16 5 station bolt making machine

PRODUCT DESCRIPTION:       MODEL     RBP-165S               FORGING STATION(NO)      5               FORGING FORCE(KGS)      220               CUT-OF... More
China Heat treatment furnace/Electric furnace/electric heating quenching furnace manufacturer

Heat treatment furnace/Electric furnace/electric heating quenching furnace

The whole set heat treatment line is composed of:
Automatic Feeding Machine → Front Washer →
Hardening Furnace → Oil quenching tank →
Rear Washer → Tempering furnace →
Electric Control Cabinet, etc.
The buyer can compose the treatment line flexiblely due to different demands More
China RBF-84S bolt making machine manufacturer

RBF-84S bolt making machine

Product Description: Application territory:        Auto multi-station cold former is a speciallized machine tool with high efficiency and automation a... More
China fully automatic counting and packing machine manufacturer

fully automatic counting and packing machine

Machine Instruction: The vibration disk, linear vibration collating unit and precise counting control unit are customized according to the screw sampl... More
China Heat treatment furnace/Tempering furnace manufacturer

Heat treatment furnace/Tempering furnace

The whole set heat treatment line is composed of:
Automatic Feeding Machine → Front Washer →
Hardening Furnace → Oil quenching tank →
Rear Washer → Tempering furnace →
Electric Control Cabinet, etc.
The buyer can compose the treatment line flexiblely due to different demands More
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China Automatic vertical packing machine sorting bolts manufacturer

Automatic vertical packing machine sorting bolts

Machine vibration plate presentation, linear vibration comparison unit and precise counting control unit is based on a sample custom screw, to ensure that each package is accurate. PLC control and interface operation manned aircraft, its operation is ... More
China Automatic Knurling Machine manufacturer

Automatic Knurling Machine

Product Description: Machine can be used in rolling and knurling industry. With high speed and precision. Shiping and Packing: Machine can be ready wi... More
China Tempering furnace / Annealing furnace/ Gas fired furnace manufacturer

Tempering furnace / Annealing furnace/ Gas fired furnace

Composition entire heat treatment line as follows:
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

More
China Nuts making and forging machine supplier manufacturer

Nuts making and forging machine supplier

STEADY FEEDING OF MATERIAL BY AIR PRESSURE.

EASY ADJUSTMENT AND MAINTENANCE OF BELTS.

RAISES 30% - 40% LIFETIME OF TAP THAN CONVENTIONAL TAP.

HIGHER EFFICIENCY, EASY TO CHANGE TAP AND CAN WORK SEPARATELY BY SINGLE SHAFT.

STOP FEEDING WHEN TAP IS BLUNT OR BAD BORE DIAMETER.

AIR PRESSURE CYLINDER PULLS BACK AUTOMATICALLY TO READY POSITION WHILE DETECTING ABNORMAL OPERATION.

EASY TO CHANGE THE SPEED OF TAPPING BY USING OUR AIR PRESSURE CYLINDER.

ECONOMICALLY SAVE MORE POWER AND LESS SPACE REQUIREMENT. More
China Mesh belt type heat treatment furnace supplier manufacturer

Mesh belt type heat treatment furnace supplier

The whole set heat treatment line is composed of:
Automatic Feeding Machine → Front Washer →
Hardening Furnace → Oil quenching tank →
Rear Washer → Tempering furnace →
Electric Control Cabinet, etc.
The buyer can compose the treatment line flexiblely due to different demands More
China Automatic washer assembling machine supplier manufacturer

Automatic washer assembling machine supplier

rational price,easy maintenance high quality
axial and radial process
process regular and irregular
Washer assembling machine with thread roller:
this model is widely praised for its rational price,easy maintenance
and hgih quality.besides axial and radial process it is used to process regular
and irregular bolt,through screw etc.with optional embossing roller.the through
screw made with this machine in zhejiang standard parts base has exported to US,Canada and Europe. More
China Automatic bolts and nuts making machine supplier manufacturer

Automatic bolts and nuts making machine supplier

Product Description: Auto Multi-station Cold forging fomer is a specialized machine tool with high efficency and automation among forging machinery. C... More
China Automatic washer assembling machine manufacturer

Automatic washer assembling machine

rational price,easy maintenance high quality
axial and radial process
process regular and irregular
Washer assembling machine with thread roller:
this model is widely praised for its rational price,easy maintenance
and hgih quality.besides axial and radial process it is used to process regular
and irregular bolt,through screw etc.with optional embossing roller.the through
screw made with this machine in zhejiang standard parts base has exported to US,Canada and Europe. More
China M6 High Speed Screw Heading Machine manufacturer

M6 High Speed Screw Heading Machine

Screw Heading Machine Features The latest design, beautiful appearance, high speed, high efficiency, low energy consumption, easy to operate. Important components, s... More
China cold forging machine supplier china manufacturer

cold forging machine supplier china

Product Description: Auto Multi-station Cold forging fomer is a specialized machine tool with high efficency and automation among forging machinery. C... More
China Nut slotting machine supplier manufacturer

Nut slotting machine supplier

Model: ZCP-08B
Motor Power: 1HP  
Hopper Size(mm): 250X 300
Cutting oil(L): 80
Speed: 250pcs/min
Dimension(MM): 800X600X1000
Weight(KG): 850  More
China Head Slotted Screw Making Machine manufacturer

Head Slotted Screw Making Machine

Machine Specification:        Machine is equiped with two cutters, which can guarantee no burrs on screw. It saves a lot of time and process.      Spe... More
China Zinc galvanizing manufacturer

Zinc galvanizing

1. Large roller can be extremely PP PP-casting materials, CNC machine drilling.
2. The transmission system adopts each station of a transmission gear coupling, electromagnetic speed.
3. Automatic weighing feeding device can reduce labor intensity.
4. passivation automatic folder barrel washing equipment and automatic rejection of water color dryer. More