Description
Reviews
| Brand | - |
| Category | Hardware & Tools / Other Machinery & Hardware (New) |
| Origin | - |
| Material Composition | High-purity Graphite embedded in Copper Alloy |
| Lubrication Type | Oil-Impregnated with Precision Oil Grooves |
| Manufacturing Tolerance | +/- 0.005mm (Precision Machined) |
| Hardness Rating | HB 85-95 |
| Operating Temperature | -40°C to +250°C |
| Application Industry | Injection Molding and Die Casting |
| Surface Finish | Ra 0.4 Microns (Polished) |
| Corrosion Resistance | High resistance to industrial coolants |
| Customization | Available in custom diameters and lengths |
| Certification | ISO 9001:2015 Compliant Manufacturing |
Anonymous
Mar 29, 2026
Rating: 5/5
Cost-effective solution
Great value for money. The self-lubricating properties mean we spend less time on maintenance intervals. Highly recommend for any mold repair shop.
Anonymous
Mar 25, 2026
Rating: 5/5
Reliable supplier for industrial parts
Consistent quality across multiple batches. We have ordered over 500 units so far with zero defects. Essential component for our production line stability.
Anonymous
Mar 24, 2026
Rating: 4/5
Solid performance
Fits perfectly into our existing mold bases. The graphite distribution looks very uniform under inspection. Would buy again for future projects.
Anonymous
Mar 23, 2026
Rating: 4/5
Good precision, slight lead time delay
The dimensional accuracy is spot on for our tight tolerance requirements. The only reason for 4 stars is that the custom sizing took a week longer than expected, but the quality makes up for it.
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent durability for high-cycle molds
We replaced our standard brass bushings with these graphite copper ones, and the wear rate has decreased significantly. The oil impregnation works perfectly for our continuous running injection molding machines.
Anonymous
Mar 03, 2026
Rating: 5/5
Superior heat dissipation
These composite sleeves handle the thermal expansion in our die-casting operations much better than previous suppliers. No seizing even after prolonged high-temperature exposure.
Q: What is the maximum load capacity per square inch?
A: The static load capacity is approximately 15,000 PSI, while the dynamic load capacity depends on the sliding speed. For detailed engineering calculations based on your specific application, please refer to the technical datasheet attached to the product listing.
Q: Do you offer custom oil groove patterns?
A: Absolutely. We can machine spiral, straight, or diamond-pattern oil grooves based on your CAD drawings. There may be a minimal setup fee for non-standard patterns.
Q: How long does the oil impregnation last under continuous operation?
A: Under normal operating conditions and proper installation, the self-lubricating properties typically last for 1 to 2 million cycles before re-lubrication or replacement is suggested.
Q: Can these bushings be used in food-grade packaging machinery?
A: Yes, provided the specific alloy grade meets your local food safety regulations. Please contact our sales team to request the FDA-compliant material certification for this specific batch.
Q: Is there a minimum order quantity for custom sizes?
A: For standard sizes, there is no MOQ. For fully custom dimensions, the minimum order quantity is usually 10 pieces to cover the machining setup costs efficiently.
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