From the first inquiry, I know your project demands reliable spacers that won't warp in assembly. I offer Aluminum Unthreaded Spacer that delivers smooth alignment and steady performance under load. As a China-based Manufacturer, I can supply consistent material grades and tight tolerances to match your drawings. My spacers come in lightweight aluminum with excellent corrosion resistance, ideal for electronics housings, automotive, or industrial frames. They are unthreaded, so no screw holes to compromise strength, easy to install, and help reduce vibration. We can customize outer diameter, thickness, hole size, and finish (anodized, natural, black) to fit your design. Short lead times, competitive price, and scalable production mean you can plan your supply chain with confidence. I keep strict QA, include clear packaging, and ready-to-ship stock for common sizes. If you need precision, repeatability, and fast delivery from a trusted China Manufacturer, reach out and I’ll guide you to the right options.
Global buyers seeking lean, reliable assemblies in 2025 are turning to aluminum unthreaded spacers. They provide precise separation without threaded fasteners, enabling faster assembly, fewer misalignments, and easier automation. Aluminum offers a strong weight-to-strength balance, corrosion resistance, and heat conduction, while the unthreaded design reduces snags on robotic lines. Standard metric and inch sizes simplify cross‑border sourcing, and anodized finishes add protection and aesthetics. Streamlined inventory and consistent packaging support just‑in‑time manufacturing and lower total cost of ownership. Effective sourcing now means evaluating material grade (6061/6063), tight tolerances, finishes, and supply reliability. Look for options like shoulder height, bore size, outer diameter, and precise hole spacing to fit existing hardware. Packaging should be automation-friendly, with clear labels and lot traceability, and QA should cover first‑article inspection and process capability. A capable supplier with export readiness and RoHS/REACH compliance can deliver steady quality and timely delivery to global buyers in 2025 and beyond.
| Product_ID | Material | Outer_Diameter_mm | Inner_Bore_mm | Length_mm | Wall_Thickness_mm | Finish | Tolerance_mm | Weight_g | Applications | Manufacturing_Method | Certification |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AL-UN-001 | 6061-T6 Aluminum | 10 | 4 | 15 | 3 | Anodized - Clear | +/-0.1 | 2.67 | Electronics enclosure spacer | CNC Machined | ISO 9001; RoHS |
| AL-UN-002 | 6061-T6 Aluminum | 12 | 5 | 20 | 3.5 | Anodized - Clear | +/-0.1 | 5.05 | Mechanical spacer in automotive assemblies | CNC Machined | ISO 9001 |
| AL-UN-003 | 6061-T6 Aluminum | 14 | 6 | 25 | 4 | Anodized - Silver | +/-0.1 | 8.48 | Industrial machinery alignment | CNC Machined | ISO 9001; RoHS |
| AL-UN-004 | 6061-T6 Aluminum | 16 | 7 | 30 | 4.5 | Anodized - Clear | +/-0.1 | 13.17 | Heat sink mounting spacer | CNC Machined | ISO 9001; RoHS |
| AL-UN-005 | 6061-T6 Aluminum | 20 | 8 | 40 | 6 | Anodized - Black | +/-0.1 | 28.50 | Robotics limb assembly | CNC/Milling | ISO 9001 |
| AL-UN-006 | 6061-T6 Aluminum | 22 | 10 | 45 | 6 | Anodized - Bronze | +/-0.1 | 36.70 | Electrical panel spacers | CNC Machined | ISO 9001 |
| AL-UN-007 | 6061-T6 Aluminum | 9 | 3 | 10 | 3 | Natural anodized | +/-0.1 | 1.53 | General equipment | CNC Machined | ISO 9001 |
| AL-UN-008 | 6061-T6 Aluminum | 25 | 12 | 50 | 6.5 | Anodized - Silver | +/-0.1 | 50.00 | Large mechanical assemblies | CNC Machined | ISO 9001; RoHS |