Customized Size QRO90 Material Mold Core Pins with +/-0.01mm Tolerance for Precision Injection Molding
Core pins are precision mold components designed to enhance the strength of ejector pins, preventing deformation or cracking while pushing finished parts out of open molds. As critical mold elements, core pin quality significantly impacts injection molding performance.
| Material | QRO90 |
|---|---|
| Hardness | 46-48HRC |
| Heat Treatment | Available |
| Service | Made-to-order |
| Surface Treatment | TiCN, TiN, TiALM, Ticrn, Nitriding, Black Oxygen, Black Coating, etc. |
| Closest Tolerance | ±0.05mm |
| Polishness | Ra0.6 |
| Axiality | 0.005mm |
| Verticality | 0.005mm |
Core pins operate in demanding conditions for extended periods, enduring significant impact forces that can lead to cracking. To maximize service life, we utilize high-quality materials with superior hardness and anti-friction properties.
Our core pins deliver exceptional performance characteristics including wear resistance, deformation resistance, fracture resistance, fatigue resistance, occlusion resistance, thermal softening resistance, thermal melt damage resistance, erosion resistance, thermal stability, tempering stability, thermal fatigue resistance, fracture toughness, high temperature wear resistance, and antioxidant properties.
Our products serve diverse industries including automotive, home appliances, electronics, consumer goods, medical equipment, and packaging materials.
Medical / Packaging / Aerospace / Electronics / Die Casting Dies / Bottle Cap / Automotive / Cosmetic, etc.
PDF / DWG / DXF / IGS / STEP, etc.
T/T, PayPal, Western Union - 50% deposit, balance before shipment available
PE bag with anti-corrosive oil, foaming film with carton, or wooden box according to customer requirements.
Standard delivery time: 7-15 working days for ejector pin types. Specific timing depends on order quantity.
We ship via express carriers (DHL, UPS, FEDEX, etc.) or according to customer requirements. Express delivery: 3-5 days with tracking number provided. Ocean shipping available for larger quantities for cost efficiency.
- Clean and organized workshop environment
- Strict management with skilled, experienced technicians
- Comprehensive raw material selection (imported and domestic)
- High-precision equipment including surface grinding, Sodick wire-cutting, and drilling machines
- Comprehensive quality control throughout all production processes
- Multilingual communication support (English, Japanese)
- Specialized in precision mold parts with prompt response (within 24 hours)
- Advanced facilities and experienced engineering team
- Guaranteed quality with superior material selection
- Customer-oriented approach with efficient cost control solutions
- One-stop service with immediate problem resolution
- 100% inspection of all parts before shipment
- Core pins, cavity pins, insert pins
- HSS punches, precision punches, special-shaped punches
- Ejector pins, ejector sleeves, two-stage ejector pins
- Guide pillars, guide bushings, guide post sets
- Slide core units, latch locks, locating series
We welcome your inquiries and questions. Our team will respond promptly to assist with your precision mold part requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.