A
Anonymous
Mar 27, 2026
Rating: 4/5
Good Value
Quality is good, but threads were a bit tight initially. Needed a tap to loosen them up slightly.
Description
Aluminum Alloy Shaft Bushing/Liner, Hollow Cylindrical Sleeve, Thickened Aluminum Washer/Spacer/Gasket (M3/M4/M5/M6/M8)
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | 6061 Aluminum Alloy |
| Surface Treatment | Anodized Oxidation |
| Shape | Hollow Cylindrical Tube |
| Thread Sizes | M3, M4, M5, M6, M8 |
| Color | Silver |
| Package Quantity | 10 Pieces per Pack |
| Weight | 45 Grams |
| Hardness | HV120 |
| Application | Mechanical Spacers and Standoffs |
| Country of Origin | China |
5 reviews
A
Anonymous
Mar 16, 2026
Rating: 5/5
Fast Delivery
Product arrived well packaged. No damage and exactly as described in the listing.
A
Anonymous
Mar 03, 2026
Rating: 5/5
Sturdy Spacers
These are solid. Used them on my CNC router build and they held up perfectly under vibration.
A
Anonymous
Feb 26, 2026
Rating: 5/5
Perfect Fit
Fit exactly as expected on M4 bolts. No play in the threads and the length was consistent.
A
Anonymous
Feb 01, 2026
Rating: 5/5
Great for DIY
Used for custom computer standoffs. Look nice and the anodized finish prevents scratching.
5 FAQ
Q: Are these suitable for high vibration environments?
A: Yes, paired with lock nuts they perform well in high vibration applications.
Q: Is this solid aluminum or hollow?
A: These are hollow cylindrical tubes as described in the product title.
Q: Do you ship internationally?
A: Yes, we ship to most countries worldwide via standard shipping methods.
Q: What is the length of each sleeve?
A: Each sleeve is 10mm in length unless otherwise specified in the variant options.
Q: Can I mix sizes in one order?
A: Please select specific size options at checkout as packs are uniform per size.
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