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Home / Bearings & Bushings / Mold Parts Manufacturer Precision Graphite Copper Sleeve Oil-Impregnated Bushing / Oil-Groove Copper Sleeve Copper Shaft Sleeve / Composite Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Base Material High-Grade Copper Alloy
Solid Lubricant Graphite Plugs
Hardness 90-120 HB
Max Operating Temp 250 Degrees Celsius
Max Load Capacity 100 N/mm²
Inner Diameter Tol H7 Standard
Outer Diameter Tol h6 Standard
Surface Finish Ra 0.8 Microns
Lubrication Type Self-Lubricating
Application Area Mold Components & Bushings

5 reviews

A

Anonymous

Apr 20, 2026

Rating: 5/5

Great for molds

Fits perfectly into our injection mold components. The graphite impregnation really helps reduce friction.

A

Anonymous

Mar 29, 2026

Rating: 5/5

Heat resistance

No seizing even under continuous operation. The oil-retaining grooves work as described.

A

Anonymous

Mar 03, 2026

Rating: 4/5

Good quality

The bushings are excellent quality. Slightly expensive compared to others, but worth it for the longevity.

A

Anonymous

Feb 25, 2026

Rating: 5/5

Durable

Lasted longer than standard brass bushings in our high-temperature application. Very satisfied.

A

Anonymous

Feb 22, 2026

Rating: 5/5

Bulk order success

Ordered 50 units for our production line. Consistent specs across all units. No issues with installation.

5 FAQ

Q: Are these compatible with water-cooled molds?

A: Yes, the copper alloy provides excellent thermal conductivity for water-cooled applications.

Q: Can you customize the inner diameter?

A: Custom sizes are available. Please contact our sales team with your specific drawings.

Q: Is the graphite safe for high-temperature environments?

A: Yes, the graphite plugs are stable and effective up to the maximum operating temperature of 250°C.

Q: What is the standard lead time for shipping?

A: Standard sizes ship within 3-5 business days. Custom orders may take 2-3 weeks.

Q: Do these require a press fit installation?

A: Yes, these are designed for standard interference fit installation in mold bases.

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