• 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

KR012 Core Pins And Sleeves Precision Customized Lathe Processing

Place of Origin Dongguan, China ( Mainland )
Brand Name Kingrui
Certification ISO9001:2008
Model Number KR012
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
Product Name Precision Customized Lathe Processing Core Pins And Sleeves Of Round Part Material Steel Or Others You Need
Surface Hardness HV900 Material Brand AISI/ DAIDO/ BOHLER, Etc.
Custom Basis According To Your Drawings Machining Lathe Processing And Internal-external Lapping Processing
High Light

ejector pins injection molding


mold ejector pins

Leave a Message
Product Description


KR012 Core Pins And Sleeves Precision Customized Lathe Processing



Product Information


  1. Main processing: For now we show this product, its processing is divided into three parts, the first step is grinding by the internal- external lapping machine, the second step is the lathe processing, and the last step is the discharge processing by our Japan Sodick supper- mirror and electro- discharge machine.
  2. Used material: Steel from Germany, And we can provide other kinds of materials, such as: aluminum, zinc, copper, brass, iron and so on.
  3. Tolerance: Our accuracy of internal - external lapping can reach 0.001 mm or less
  4. Surface treatment: Electro-polish, DLC coating, Mirror coating, PVD coating can server you.​ 
  5. Applied software: Auto CAD, UG and other software.
  6. Drawing format: 2D dxf, dwg, pdf, etc; 3D stp, X-T, prt, etc.
  7. Surface Hardness: HV900
  8. 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. 


Product Description


1. Precision to 0.005 mm

2. OEM manufacturer

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

4. ISO9001: 2008



Precision Customized Lathe Processing Core Pins And Sleeves of Round



America AISI: H13, S7, CPMM4, M4, M3, S5 and so on.

Germany SAARS TA: 2842, 3343, 2738, 2711 and so on.

Japan DAI DO : PD613, NAK80, SKS93 and so on.

Sweden ASSAB: XW-5, ASP 23, S136H and so on.

or as your requirement


Material Standard

DIN, JIS and so on



According to per customer’s drawings or requirement


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 etc.


Quantity Control

We have passed ISO9001 certification, Kingrui have good quality management capabilities. all the engineers, production staff, quality inspectors and sales staff  have work experienceare of many years in the relevant industry , we adhere to the quality of life, take seriously every product and every production details, make every effort to provide customers with the quality of satisfaction.



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 generally 5 - 15 working days


The production time

After getting the deposit.



You can choose our company's conventional packaging, or custom according to your request. In short, We package your products according to your product safety , integrity and your satisfaction.




About Packing and Shipping  


Packing: PE film, PE bag,  plastic box and carton box;

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


Shipment: Our transportation is very extensive, It can be shipping, land transport or air transport. And we have cooperated  with a number of global international courier , such as TNT, DHL, EMS, Fedex and so on.



Product Show

 KR012 Core Pins And Sleeves Precision Customized Lathe Processing 0



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


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