Alloy Barrel Screw Suppliers

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  • 36000㎡

    Construction area

  • 25000㎡

    Workshop area

  • 100+

    Skillful employees

  • 20

    Technicalist personal



Zhejiang Bimetal Machinery Co., Ltd. (formerly Zhejiang Zhoushan Dinghai Chen’s Machinery Co., Ltd.) is located at the coast of East China Sea, adjacent to the famous international deep-water port – Ningbo Beilun Port.

Bimetal is professional China Alloy Barrel Screw Manufacturers and Alloy Barrel Screw Suppliers which specializes in manufacturing series of screws, rubber melting cylinder products. Products are widely used in the 30-40000 grams injection molding machine, the 15-250mm single screw extruder, and the 30-130mm conical and parallel twin-screw extruder and all kinds of rubber machine, weaving machine, puffed food machine. All of the products are made of quality 38CrMoALA steel. By employment of fine processes of quenching and tempering, stiffening, nitriding, grinding, finishing, and guidance of ISO9002 International Quality Control System, products are in line with international standards. GⅡ 113 nickel-based alloy (latest 3# steel) screw cylinder is also one of our fist products; it is applicable for alloy bimetal (PTA) welding. In addition to providing balance equipment for complete machine companies abroad, we are also a leading Supplier undertaking OEM service, surveying and mapping assistance, as well as design services for big and small companies at home. No matter you are our existing partner or potential customer, with products and services, we warmly welcome your visit and inquiries with our wholeheartedly and thoughtful services. We also custom Alloy Barrel Screw. We also wholesale in bulk.


Screws are gauged and manufactured to meet your highest quality and performance standards.

Industry Knowledge Expansion About This Category
1. Evaluating Alloy Barrel Screw Suppliers: Benefits
1) Enhanced Wear Resistance: The high-strength alloy coating on the surface of alloy barrel screws provides excellent wear resistance, making them ideal for applications where the screw encounters abrasive materials or experiences high levels of stress. This feature significantly extends the service life of the screw, reducing downtime for maintenance and replacements.

2) Improved Corrosion Resistance: Industrial environments often expose equipment to corrosive elements, which can compromise their performance and durability. Alloy barrel screws, with their protective alloy coating, exhibit exceptional corrosion resistance, ensuring prolonged service life even in harsh operating conditions. This resistance to corrosion minimizes the risk of equipment failure and associated production delays.

3) Superior Heat Resistance: Many industrial processes involve high temperatures that can degrade standard screws over time. Alloy barrel screws, with their steel core, offer superior heat resistance, enabling them to withstand elevated temperatures without compromising performance. This characteristic makes them invaluable in applications such as plastic extrusion, injection molding, and rubber processing, where high temperatures are prevalent.

2. Applications of Alloy Barrel Screws across Industries

1) The versatility of alloy barrel screws allows them to be applied in a wide range of industrial sectors, transforming processes and delivering significant benefits. Some notable applications include:

2) Plastic and Rubber Manufacturing: Alloy barrel screws play a crucial role in plastic extrusion, injection molding, and rubber processing. Their exceptional wear resistance and heat resistance enable consistent performance and extended service life, resulting in enhanced productivity, reduced downtime, and improved product quality.

3) Food and Beverage Processing: In the food and beverage industry, alloy barrel screws find utility in extrusion processes for producing snacks, cereals, and confectionery items. The screws' corrosion resistance and compliance with food-grade standards ensure product integrity and safety while facilitating efficient production.

4) Chemical and Pharmaceutical Industries: Alloy barrel screws are used in chemical and pharmaceutical manufacturing processes, where precision, durability, and resistance to corrosive materials are paramount. These screws enable efficient mixing, compounding, and extrusion of materials, enhancing productivity and ensuring the quality of end products.