High Speed Steel Stepped Ejector Pin / SKH51 Ejector Pins Injection Molding
SKH51 High Speed Steel Wear-resistant Steped Ejector Pins for Plastic Injection Molding
Description
Mold Ejector Pins is commonly plastic mold parts, used to separate products from the mold. It is required to have high hardness, good toughness and hard breaking.
High speed steel SKH51, SKD61, SKD11 and 65Mn were usually used to make the ejector pins. The toughness of SKH51 is better than SKD61. Because of its poor quality and brittleness, the application of 65Mn is becoming less and less in ejector pins industry recently.
Quick Details
For different applications, ejector pins usually has the following three kinds:
1. Straight ejector pins,
2. Steped ejector pins,
3. Ejector blades.
| materials | high speed steel SKH51 | type | Steped ejector pins |
| treatment | Nitrieding | packing | 20 pcs in a PE bag |
| hardness | HRC 55~60° | size | φ1.0~20(HASCO standard) |
Standard Size
According to HASCO standard, we have the following standard sizes of thimbles in stock, generally can be shipped within 3 working days, if customized thimbles, delivery time is generally 15-20 days.
| Size | Size of Head | Height of Head | Size | Size of Head | Height of Head |
| Φ1.0 | Φ2.5 | 1.20 | Φ6.0 | Φ12.0 | 5.00 |
| Φ1.2 | Φ2.5 | 1.20 | Φ6.5 | Φ12.0 | 5.00 |
| Φ1.5 | Φ3.0 | 1.50 | Φ7.0 | Φ12.0 | 5.00 |
| Φ1.8 | Φ3.0 | 1.50 | Φ8.0 | Φ14.0 | 5.00 |
| Φ2.0 | Φ4.0 | 2.00 | Φ8.5 | Φ14.0 | 5.00 |
| Φ2.2 | Φ4.0 | 2.00 | Φ9.0 | Φ14.0 | 5.00 |
| Φ2.5 | Φ5.0 | 2.00 | Φ10.0 | Φ16.0 | 5.00 |
| Φ3.0 | Φ6.0 | 3.00 | Φ10.5 | Φ16.0 | 5.00 |
| Φ3.2 | Φ6.0 | 3.00 | Φ11.0 | Φ16.0 | 5.00 |
| Φ3.5 | Φ7.0 | 3.00 | Φ12.0 | Φ18.0 | 7.00 |
| Φ4.0 | Φ8.0 | 3.00 | Φ14.0 | Φ22.0 | 7.00 |
| Φ4.2 | Φ8.0 | 3.00 | Φ15 | NA | |
| Φ4.5 | Φ8.0 | 3.00 | Φ16.0 | Φ22.0 | 7.00 |
| Φ5.0 | Φ10.0 | 3.00 | Φ18.0 | Φ24.0 | 7.00 |
| Φ5.5 | Φ10.0 | 3.00 | Φ20.0 | Φ26.0 | 8.00 |
Packing and Shipping
The ejector pins are packaged with plastic bags with rust preventing oil, customized package is welcome.
About the shipping, all the well-known express companies and ocean shipping can be selected, but in remote areas, we can only use EMS.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.