High Production Single Screw Cylinder


Product Description

Single Screw and Barrel for Extruder Machine 

Nitriding screw and barrel for stroe ( many kinds of )

Good nitriding single screw and barrel ( many size of the barrel nitriding)

Single screw and barrel for extruders
Screw Diameter:Φ20-Φ500mm
Maximun screw length: 10000mm
Barrel inner bore diameter: Φ500mm

Depth of nitration case:0.4-0.7mm
Hardness of nitration:HV900-1060 (HRc56°-65°)
Roughness of the surface:Ra 0.4μm
Screw straightness: 0.015mm/m
Chrome plating thickness: 0.01-0.1mm
Bimetal coating thickness 1.5-2.0mm

Base material 38CrMoAlA, Welded inlay on the flight, prolong life of screw. Easy wearing parts of barrel feed inlet made from imported anti-wear alloy can be improvde abrasion performance.



 Singel screw and barrel

1)High quality steel 38CrMoALA
2)Factory cost price
3)ISO9001:2008, SGS
4)Fast delivery best service  

Packaging & Shipping

Our Forwarder

  According to customers demands to choose the forwarder


  By Sea; By Air(the cost will get agreement with customers)


  Ningbo or Shanghai

Woodencases with our company marks

Our Services

Design Service

Screw and barrel Design According with Capacity and Raw Material

After Service

24 Hours After-sales

Company Information

ZHOUSHAN HUAYU MACHINERY MANUFACTURING PLANT is one of the largest domestic manufacturing enterprise that specializes in researching, designing and manufacturing high precise bimetallic and nitrided screws and barrels, as well as screw assembly parts, barrel assembly parts, various oil cylinders and air cylinders. We provide products for manufacturers of plastic injection, extrusion, chemical fiber, cables and so on.

After more than twenty years of constant pioneering efforts, we have enlarged our production scale yearly. We possess high technology advanced processing equipment from Germany. Furthermore, we have improved our production ability of 600 sets of twin-screws and barrels for conical and parallel, and 8,000 sets of single-screws and barrels. We have passed the ISO 9001:2000 International Quality System Identification. Therefore, all our products are guaranteed to be of perfect quality. Checkingthe quality is the most important stage in our production processing, before the goods are delivered to our customers. In order to carry out our target of achieving zero defects and 100% quality, strict quality checks are conducted at every stage of production,from the designing, manufacturing and up to the final stage of packaging, we ensure that only goods of high quality are delivered to our customers. As far as the quality of our products and services are concerned, our company won the approval of our customers and established a great reputation for our quality products.

Our Screw and Barrel processing production: 

CustomerOrder--ProductDesign(CustomerDrawing)—ProductionFlowArrangement—Material Procurement—Hardening&Tempering—Drilling—RoughTurning—RoughThread Rolling(AlloySprayWelding)—Alignment—FineThreadRolling—Mixing—Alignment—HighFrequencyTreatment—Alignment—Polishing—Grinding—7 daysNitridingTreatment—Acid Piclking—Polishing—Chrome Plating—O.D.Grinding—Packaging&Shipping