Screw Barrel

Screw Rocket For Injection

Screw Rocket For Injection

Basic Info Technics: Casting Base Material: 38crmoaia,42CrMo Depth of Nitrogen Layer: 0.6-0.8mm Straightness of Screw: 0.015 Trademark: JS-ALLOY Origin: ZHOUSHAN Place of Origin: Zhejiang China Tempering Hardness: 240-280hv Roughness of The Surface: Ra0.4um Depth of Alloy: 2.5mm-4mm HS Code:...

Product details


Basic Info

Technics: Casting

Base Material: 38crmoaia,42CrMo

Depth of Nitrogen Layer: 0.6-0.8mm

Straightness of Screw: 0.015

Trademark: JS-ALLOY

Origin: ZHOUSHAN

Place of Origin: Zhejiang China

Tempering Hardness: 240-280hv

Roughness of The Surface: Ra0.4um

Depth of Alloy: 2.5mm-4mm

HS Code: 8477900000

Product Description

About us :

Jinsheng team aim at providing the best services to customers which include providing short lead time, best price and best after sales services. These allow us to create good relationship with customer. Moreover, our engineering department can design special screw and barrel design for some special plastic material such as HDPE, LDPE. This special design can provide high output with low energy consumption. With our great effort on product quality and services, we win a lot of support from different customers which from machinery and plastics field. we will make improvement continuously so as to win customer support from different countries.


Due to our high quality products and outstanding customer service, we have gained a global sales network reaching America, Germany, Brazil, Russia, Ukraine, India, Pakistan,Egpyt,Argentina and some other countries and regions.



Main technical parameters:

Material: 38CrMoAIA 40CrMo 42CrMo high quality alloy steel

Technology: Nitriding treatment, alloy coating spraying, heating treating, screw fully hardening.

Depth of nitrition layer: 0.5-0.8mm

Nitriding treatment surface hardness: HV>=900-1000

Fragility of nitrition: Less and grade 1

Surface roughness: Ra 0.4um

Streightness of screw: 0.015mm

Surface of hardness of nitrated Cr Coating layer: >=950HV

Hardness of Cr coating layer: HRC55-62

Thickness of alloy plating: 0.03-0.08mm

Depth of alloy layer: 2mm


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




After-Sales Service

1. If the after-sale problems we will reply you in time of after-sales request.

2. We have a large number of professional and technical personnel, engaged in equipment design and development work, has a wealth of practical experience. Can provide you with the best after-sales service.



Find excellent quality screw rocket for injection made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you screw rocket for injection with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.
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