
The main advantage of screw  barrel :
a. Advanced Nitriding TechnologyÂ
b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
certificat
Â
 Why choose us?
A>Â long time experience and history
B>Â long time nitriding treatment and heating treatment by itself
C>advanced Fanuk series CNC computer-controlled milling machines
D>depth hole drilling machine in 10meters length, which ensure the straigtnss of barrel inside.
E>Â CAD drawing confirmation before start making
F>Â Prompt after sale service
G>Land owner and registration capital 25,000,000RMB
what is the packaging?
We adopt standard wooden case packing
office
Product |   The best single screw barrel for extruder in ruian |
Material | 38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440) |
Hardness of nitrogen treatment | HV900°~1100° |
Tempering hardeness | HB240 ° ~280° |
Depth of nitrogen layer: | 0.6~0.8mm |
Nitrided Brittleness | above 1 stage |
Surface Roughness | Ra0.4 um |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating after Nitriding | HV≥950HV |
Chromium plating Depth | 0.025-0.085mm |
Alloy Depth | 2.5mm-4mm |
Alloy hardness | HRC62°~72° |
Heating-treatment | nitrogen ,electroplated hard -chrome finish,high frequency quenching |
The best single screw barrel for extruder in ruian

The main advantage of screw  barrel :
a. Advanced Nitriding TechnologyÂ
b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
certificat
Â
 Why choose us?
A>Â long time experience and history
B>Â long time nitriding treatment and heating treatment by itself
C>advanced Fanuk series CNC computer-controlled milling machines
D>depth hole drilling machine in 10meters length, which ensure the straigtnss of barrel inside.
E>Â CAD drawing confirmation before start making
F>Â Prompt after sale service
G>Land owner and registration capital 25,000,000RMB
what is the packaging?
We adopt standard wooden case packing
office
Product |   The best single screw barrel for extruder in ruian |
Material | 38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440) |
Hardness of nitrogen treatment | HV900°~1100° |
Tempering hardeness | HB240 ° ~280° |
Depth of nitrogen layer: | 0.6~0.8mm |
Nitrided Brittleness | above 1 stage |
Surface Roughness | Ra0.4 um |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating after Nitriding | HV≥950HV |
Chromium plating Depth | 0.025-0.085mm |
Alloy Depth | 2.5mm-4mm |
Alloy hardness | HRC62°~72° |
Heating-treatment | nitrogen ,electroplated hard -chrome finish,high frequency quenching |
Do you want to make a beautiful candle by yourself? We offer DIY candle making kits and candle supplies. Besides Soy Wax, beeswax material, Candle Wax Melting Pot, the main candle supplies include candle wick, candle wick holders, wax melting spoon, glue dot for candle wick, finger cot, color dye blocks, fragrance oil, warning label, instruction, etc.
We can offer some videos to introduce how to use these candle supplies. If you have any more questions, please contact our sales. We supply 7*24 service.
Candle Wick Holders,Wick Centering Tool,Candle Wick Centering Device,Wick Holder
Shijiazhuang Tabo Candles Sales Co., Ltd. , https://www.tabocandles.com