• 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

ISO Precision Ejector Pins And Sleeves High Speed Steel SKH51

Place of Origin Dongguan, China (Mainland)
Brand Name Kingrui
Certification ISO9001:2008
Model Number KR001
Minimum Order Quantity 1 Pcs can be accepted
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 OEM Precision ISO Ejector Core Pins And Sleeves Of High Speed Steel SKH51 Material SHK51 Or As Your Request
Customized OEM Service Available Product Hardness 60-62HRC
Surface Treatment As Your Request Shaping Mode Plastic Injection Mold
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Product Description


OEM Precision ISO Ejector Pins And Sleeves High Speed Steel SKH51


Kingrui commitment is to support customers with technical excellence. This is why we have dedicated people and resources to monitor and improve our Quality with perseverance and determination on a daily basis.
Introduction of Mold Part
  1. Highly polished finish 6-8 micro finish.
  2. Precision form ground to close diameter tolerance +.0002/-.000.
  3. Common fractional sizes are available
  4. SKH51 high speed steel 60-62 Rockwell C.
  5. Custom sizes can be made to order up to 1" diameter.
  6. Type: Oversize
  7. Material: SKH51
  8. Standard: MISUMI ejector pin&ejector sleeve
  9. Dia. tolerance: 0.0002’’
Mold Parts Specification                                                                                                                          


Material Available

SKD-11, SKH-51, APS-60, DC53, 42CrMo4, Stainless steel, and Tungten carbide etc.






Depends on material


Machine Type

Plastic Injection 



Highly mirror polished finish 6-8 micro.



1 piece






 Shenzhen and Hangzhou


Payment Term

By T/T(Deposit 50% and Balance 50% before shipment )




Material & Industry info


Material name Hardness (HRC) Features Function Heat treatment
SKD-11 58~60HRC High wear-resisting and purity,have good hardenability and machinability. Widely used in metal stamping mould parts. 200℃
SKH-51(HSS) Above 63 HRC Very sharpe,a kind of alloy steel have complicated elements, which included tungsten/molybdenum/chromium/vanadium and cobalt carbide forming elements etc., Used in various of cutting tools / cold-punching mould and / embossing die / Punch head etc., 860~880℃
DC53 62~63HRC Good hardenability and machinability. Used in stamping mould/punch head 520~530℃
CK45 55HRC High quality carbon structural steel, hardness is not high but easy for machining. widely used as a tip, guide pin, etc., but must have heat treatment. 100℃
42CrMo4 Above 55HRC High strength, hardenability and good toughness.Easy for polishing, and can have electroplating. Widely used in plastic injection mould parts. 860℃
Tungten carbide 90-94HRC Have high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and a series of excellent performance. Widely used in metal stamping mould parts, such as punch head. 1000℃



Packing And Shipment                                                                                                             

1. Packing: Our standard packaging is PE film covered first, Plastic box, then carton last. And we can packing according to customers requirements.


2. Shipment: Worldwide shipping,we can deliver by EMS,Fedex,DHL,TNT,ARAMEX or by sea.

• We provide the real tracking number and carrier.

• All the items will be dispatched within 24 hours after payment is clear.

• Items will arrive within 5- 7 working days.




ISO Precision Ejector Pins And Sleeves High Speed Steel SKH51 0



Welcome to inquiry us at anytime, we can send the offer at the same day back to our customer.