• Dongguan Kingrui Precision Mould Co.,LTD
    Ray-hans Precision Tools Pvt Ltd
    We have coperated with Kingrui since 2005, Kingrui's foundation. we once were a Tyco company, and now a Group company. Kingrui show their best support
  • Dongguan Kingrui Precision Mould Co.,LTD
    KINGRUI a reassuring supplier. and Kingrui stands out among Chinese spare parts makers. I recommand their team to many of my friends.
  • Dongguan Kingrui Precision Mould Co.,LTD
    KYOCERA Corporation
    Kingrui is a rigor partner. they can always keep the qualiy and fast delivery. we once invited their team to visit out workshop. they learns fast.
Contact Person : Lydia
Phone Number : 13829100895
WhatsApp : +8613829100885

HSS Round Precision Core Pins Customized Machining with Hardness HV900

Place of Origin Dongguan, China ( Mainland )
Brand Name Kingrui
Certification ISO9001:2008
Model Number KR011
Minimum Order Quantity 1 Pcs can be available
Price Negotiable
Packaging Details PE film covered first, Plastic box, then carton last.
Delivery Time Normally, simple parts, 5-7 days, complicated parts, 7-15 days. According to QTY and the complexity of drawing.
Payment Terms T/T 50% as deposit 50% before shipment
Supply Ability 1200-1500 units per month
Product Details
Part Name HSS Round Customized Machining Core Pins And Sleeves With Hardness HV900 Part Material High- Speed Steel SKH 51
Hardness HV900 Material Brand JIS From Japan
Custom Basis Drawings Or Samples Machining Turning And Internal-external Lapping Processing
High Light

ejector pins injection molding


ejector pins and sleeves

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Product Description


HSS Round Precision Core Pins Customized Machining with Hardness HV900



Main Features 


A. Its Used Material: SKH51 of high performance,the material is that we often use or customer requirements , if you need other materials, we can do our best to meet your demand. What specific materials can be provided, you can see the description


B. Processing Craft: Internal-external lapping, grinding and turning.


C. Tolerance: 0.005mm or as your requiremnet to customized.


D. Surface Finished: Electro-polish, DLC coating, Mirror coating, PVD coating and so on.


E. Applied Software: AutoCAD,UG andd other software.


F. Surface Hardness: HV900


G. Parts Category: Mold fitting series.


We are a company dedicated to manufacturing precision mold parts, since its inception to adhere to provide customized services for customers, in addition to the above round pieces, we are also very good at manufacturing all kinds of square parts. What specific mold parts look at our website. 


Fitting Description


1. Precision to 0.005 mm

2. OEM manufacturer

3. Export to America, Japan, Italy, Europe and so on

4. ISO9001: 2008


Ejector pin,sleeve mainly used in plastic,pressure casting mold,The function of these parts is separated forming products from mould. Common material SKD61,SKH51, when used it will make surface wear and tear due to long time friction, In order to meet special application. surface of product will add DLC,TiN coating etc.



HSS Round Customized Machining Core Pins And Sleeves with Hardness HV900



SKH51, SKD61, SKH2, SKH57, SKH-59;

S5, S7, P20;

1.2083, 1.2316, 1.2738, 1.2711;

or as your requirement


Material Standard

DIN, ASTM, JIS, BS, NF, GB and so on



As per customer’s drawings or 0.005mm


Surface Roughness

Strictly according to customer specifications


Surface Treatment

Polishing, PVD coating, DLC coating, mirror polishing and so on.


Main Process

 Turning, milling, grinding, EDM , wire EDM, internal-external lapping and so on.


Production Equipment

 CNC milling machine , Milling machine , Grinding machine , EDM machine, Turning machine, Internal- external lapping machine and so on


Quantity Control

We have a stringent quality check at every level .In-coming, in-process and the out going state, thereby reaching rejection and maintaining high quality as per our quality plans.



We have profession engineers  who are specialized in producing  products according to customer drawings.


Payment terms

T/T 50% as the deposit, the balance 50% before shipment.


 Delivery time

In common 5 - 15days


The production time

After getting the deposit.



According to your demand.




Packing and Shipping  


Outside package: Standard carton box;
Inner package: PE film, PE bag & plastic box;
anti-rust oil.


Delivery Time:
In common 5-15 working days, it depends on the quantity of order and complexity of drawings



Product Display    

 HSS Round Precision Core Pins Customized  Machining with Hardness HV900 0



If you have any questions, you can  contact us anytime.


                                            -------Our team will help you solve problems within 12 hours.