Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | High-Carbon Steel |
| Inner Diameter (ID) | 8mm / 9mm (Optional) |
| Outer Diameter (OD) | 10mm / 11mm / 12mm (Optional) |
| Length | 15mm / 16mm / 20mm (Optional) |
| Hardness | HRC 50-55 |
| Surface Finish | Polished |
| Weight | Approx. 5g per unit |
| Tolerance | +/- 0.05mm |
| Package Includes | 10 Pieces per Pack |
| Application | Mechanical Guides, Spacers, Bushings |
Anonymous
Apr 16, 2026
Rating: 5/5
Exact dimensions
I measured them with calipers upon arrival. The OD and ID match the listing perfectly. Great for precision machinery.
Anonymous
Mar 09, 2026
Rating: 5/5
Excellent durability
Using these in a high-friction environment and they are holding up well. No signs of wear after several weeks of continuous use.
Anonymous
Mar 09, 2026
Rating: 4/5
Good quality steel
The material feels solid and durable. I deducted one star because shipping took a bit longer than expected, but the product itself is great.
Anonymous
Feb 28, 2026
Rating: 4/5
Great value for money
For the price, you get a good set of bushings. They work well as spacers in my assembly. Would recommend for hobbyists.
Anonymous
Feb 22, 2026
Rating: 5/5
Perfect fit for my project
These sleeves fit exactly as described. I used the 9mm ID for a guide rod and the tolerance was spot on. Very happy with the quality.
Q: Is this material hardened for wear resistance?
A: Yes, the sleeves are heat-treated to achieve a hardness of HRC 50-55 for improved wear resistance.
Q: Is this stainless steel or carbon steel?
A: These are made from high-carbon steel. They are not stainless, so please apply oil if used in humid environments.
Q: Can these be lubricated with standard machine oil?
A: Yes, standard machine oil or grease is recommended to ensure smooth operation and longevity.
Q: What is the size tolerance on the inner diameter?
A: The standard tolerance for the inner diameter is +/- 0.05mm, suitable for most precision applications.
Q: Do you offer bulk pricing for larger quantities?
A: Yes, please contact our sales team directly through the store page for bulk order discounts.
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