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high quality and high cost-effective., ISO2000-9001 Certification, Professional designer of screw barrel, High quality screw - details see: https://www.machineto.com/pc-pmma-pet-pvc-screw-barrel-for-plastic-machine-10334947

Parallel twin nitrided screw

1.Professional designer of screw barrel
2.High quality screw made better performance

Diameter	Φ20-Φ250mm	Designing	Screw structure and compression ratio can be designed according to different products & different clamping force requirement.
Materials	38CrMoAlA (JIS SACM645) SKD61.etc	Application	All kinds plastic & rubber and All kinds of glass fiber,the PPA ,PPS ,PA6T ,LCP, electric wood powder, magnetic powder ,iron powder and other special engineering plastics
Nitride Depth	0.4mm-0.7mm	Technology	1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy
Nitride Hardness	950-1050HV	Packing	Wrapped up by film in wooden
Nitride Brittleness	≤Grade One	Payment	T/T , L/C
Surface Roughness	Ra0.4um	Delivery	20-25 working days
Screw Straightness	0.015mm	Port	Shanghai/Ningbo
Alloy Hardness	HRC55-62	Min. Order	1 set
Alloy Depth	0.5mm-0.8mm	Warranty period:2-4years(Depends on the plastic raw materials) Bimetallic: much longer lifetime.
Injection Capacity	15g-250000g

Grade List

Degree of Abrasiveness	Low	Moderate	High
Screws	Nitrided	Bimetallic spraying	Tungsten coated
Barrels	Nitrided	Bimetallic	Bimetallic

Application field

To provide speed to market and the tightest control over quality, Jinlin industry has Barrel & Screw manufacturing facility in China mainland. Extensive quality control procedures follow each barrel and screw set from order date through delivery. And, many screws and barrels are stock items available for delivery right off the shelf. We also stocks the heater bands for extruder product lines, so you can order your replacement barrel with or with out them. Your choice!

Replace or Upgrade for Performance

Continuous improvement and processing developments enhance production performance over the life of your plastic machine. Processes, raw materials and formulations change. Let us review your process with you. In many cases, we can improve melt quality, throughput rate, and wear life when compared with the technology originally supplied with your extruder. Either way, we will keep you productive.

The factoryand manufacture process:

How to Order

Package

After inspected by our QC team, products are packed in wooden case

Products application:

About JL Products:

1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.

2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensure the quality of our products.

3.large international market----We do foreign trade more than 5 years, we have a set of mature foreign trade system, our customers are all over the world. We will continue to expand our international market.

4.location advantage----We are located in China’s screw town--- near the Ningbo Port and Shanghai Port.

5.serious and responsible attitude----Over the years, we always maintain a serious, professional and responsible attitude, make our best efforts to meet customers’ demands.

6.professiona design----our company can produce screw and barrel according to every customer's drawing and need

Welcome to contact us~!