Single Screw with BM design: Barrier screw
Depth of Nitration Layer: 0.5-0.8mm
Hardness of Nitration: 950-1020Hv
Fragility of Nitration: Less than grade 1
Surface Roughness: Ra 0.4 um
Streightness of Screw: 0.015mm
Surface Hardness of Nitrated Cr coating Layer: >=950Hv
The Thickness of Cr Coating Layer: .03-0.08mm
Hardness of Alloy Plating: HRC55-620
Depth of Alloys Layer: >2mm
Introduction: Used for producing PA6,PA6.6, EVOH, EAA, PC etc.
We can manufacture all types of screws and barrels according to clients' requirement.
Single Screw And Barrel
1)High quality steel 38CrMoALA or SKD61
2)Factory cost price
3)ISO9001:2008, SGS
4)Fast delivery best service
| Our Forwarder | According to customers demands to choose the forwarder |
| Transport | By Sea; By Air(the cost will get agreement with customers) |
| Seaport | Ningbo or Shanghai |
Woodencases with our company marks
| Design Service | screw and barrel Design According with Capacity and Raw Material |
| After Service | 24 Hours After-sales |
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.
What is screw and barrel processing production?
Our Screw and Barrel processing production:
Order--Design(Customer Drawing)—Production Arrangement—Material Procurement —Hardening&Tempering—Drilling—Rough Turning—Rough Thread Rolling(Alloy Spray Welding if the customer need—Alignment—Fine Thread Rolling—Mixing—Alignment—High Frequency Treatment—Alignment —Polishing—Grinding—7 days Nitriding Treatment—Acid Picking—Polishing—Chrome Plating—O.D.Grinding —Packaging&Shipping
