A
Anonymous
Mar 21, 2026
Rating: 5/5
Solid Build
Brass tubes are sturdy and machined well. No sharp edges.
Description
Copper Bushing Sleeve Hollow Brass Tube Bearing Copper Sleeve Straight Spacer Copper Washer M2 M3 M4 M5 M6 M7 M8
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Pure Copper & Brass |
| Thread Standard | Metric (ISO) |
| Available Sizes | M2, M3, M4, M5, M6, M7, M8 |
| Surface Treatment | Polished |
| Shape | Hollow Cylinder / Sleeve |
| Function | Isolation Spacer / Bushing |
| Electrical Property | Conductive |
| Package Type | Assorted Kit |
| Weight | 0.5 kg |
| Country of Origin | China |
5 reviews
A
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent Conductivity
Used these for grounding projects and they work perfectly. Good quality copper.
A
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for DIY
Great for my robotics project. Easy to solder and install.
A
Anonymous
Feb 21, 2026
Rating: 4/5
Good Variety
Most sizes fit well. Would have liked more M6 pieces in the kit.
A
Anonymous
Jan 29, 2026
Rating: 3/5
Packaging Could Be Better
Parts were loose in the bag, but the product itself is fine.
5 FAQ
Q: Are these insulated?
A: No, copper is conductive. Please use appropriate insulation for your application.
Q: Is M7 common?
A: M7 is less standard than M6 or M8, but included in this kit.
Q: Will these rust?
A: Copper oxidizes over time but resists rust like iron. Brass is also corrosion resistant.
Q: Can I cut them to length?
A: Yes, you can cut them using a hacksaw or tube cutter.
Q: Do you offer bulk discounts?
A: Please contact our sales team for bulk pricing inquiries.
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