Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
OEM/ODM Service

Extruder Screw and Barrel, Screw and Barrel, Plastic Screw and Barrel manufacturer / supplier in China, offering Extruder Screw and Barrel Germany Design, PVC Two Stage Plastic Granulating Machine, Hardened Material Extrusion Machine Speed Reducer and so on.

Gold Member Since 2009
Audited Supplier

Extruder Screw and Barrel Germany Design

Get Latest Price
Min. Order / Reference FOB Price
1 Set US $300/ Piece
Production Capacity: 1000set/Month
Transport Package: Wooden Box
Payment Terms: L/C, T/T, Money Gram
Standard: GB
Technics: Casting
Feature: Degradable
Material: Stainless Steel
Brand Name: Pym
The Long Screw: 10000mm

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Basic Info

Model NO.: 105mm
Place of Origin: Zhejiang China
Base Material: 38crmoaia,42CrMo
Tempering Hardness: 240-280hv
Depth of Nitrogen Layer: 0.6-0.8mm
Roughness of The Surface: Ra0.4um
Straightness of Screw: 0.015
Depth of Alloy: 2.5mm-4mm
Trademark: Yumin
Specification: CE, SGS, TUV, BV
Origin: Ruian
HS Code: 8477900000
About us :
Zhejiang pinbo plastic machinery co.,ltd is located in ruian wenzhou city with brand of PYM(Former Ruian yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in Ruian city which is the basement of plastic machines. 
It owns many computer-control CNC milling machines in length 8000mm In Fanuk series, 18000mm 
length deep hole drilling machine an other advanced equipment. Long time nitriding treatment for 7days
 and nights greatly ensure the hardness and lifetime of its products. Meanwhile, the company and its products have passed assessment by SGS company, Bureau of Veritas, Tuv and Ce certificate.

Technical parameters :


38CrMoAIA screw and barrel for extruder machine


38 CrMoAlA(JIS SACM645); 42CrMo(JIS SCM440)

Hardness of nitrogen treatment


Tempering hardeness

HV240 ° ~280°

Depth of nitrogen layer:


Nitrided Brittleness

above 1 stage

Surface Roughness

Ra0.4 um

Screw straightness


Hardess of surface chromium-plating after Nitriding


Chromium plating Depth


Alloy Depth


Alloy hardness



nitrogen ,electroplated hard -chrome finish,high frequency quenching

Technological Process:
Blanking, Rough Machining, Quenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining

Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package

Our Advantages :
1. ISO 9001:2000, GSG, SGS, CE, Production Assessment, Gold Supplier certificated .
2. All machines will be examined and tested before delivery by 5 professional engineers (with more than 20 years machine experience).
3. Perfect after-sale system,(Engineers available to service machinery overseas ).
4. Prompt Reply Within 12 Hours.

Q1:What are we ? 
We are factory, with license of import and export goods by ourself.
Q2:How to get to us?
The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Q3:How do we control the quality of screw barrel?
We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself,

Dear customer, if you already have suppliers or are looking forsuppliers, have a try to believe us, we are sincerely welcome you and want to cooperate with you.
1.     We have long history and experience working in the field
2.     We have the most advanced equipments and technique in our industry
3.     We have professional engineers and staffs
4.     We have 100% quality ensure system and 24hours after-sale service system
5.     We own two lands of workshop, covering 5000cbms.

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