Straight Ejector Sleeves – Stepped type
High-precision straight ejector sleeves. SKH51 (M2) high-speed steel, grinding finish, multiple head thickness options, concentricity 0.005/0.01mm.
Description
Product Overview
Precision-grade straight ejector sleeves manufactured from SKH51 (M2 equivalent) high-speed steel with precision grinding finish. Suitable for high-temperature and high-wear mold applications requiring superior dimensional accuracy.
Technical Specifications
| Material | SKH51 (M2 Equivalent) |
| Surface Treatment | None (as hardened) |
| Head Thickness | 4mm(T4) / 6mm(JIS) / 8mm(JIS) |
| Shaft Diameter (D/P) | 3.2mm – 14mm |
| Hole Diameter (V) | 0.8mm – 12.2mm |
| Concentricity | 0.005mm / 0.01mm |
| Boring Method | Grinding |
| Shaft Tolerance | 0/-0.005 or -0.01/-0.02 |
| Core Hardness | 58-62 HRC |
Key Features
- Precision grinding for superior surface finish and dimensional accuracy
- SKH51 (M2) high-speed steel for excellent wear resistance at high temperatures
- Multiple head thickness options for design flexibility
- Ultra-precise concentricity of 0.005mm available
- Configurable OD, ID, and length




