I’m here to help Wholesale buyers and Manufacturers find the right aluminum spacer unthreaded for their projects. I stock a reliable range of unthreaded spacers in lightweight, corrosion-resistant aluminum, designed to slip between collars and housings without adding threading. Each part is machined to tight tolerances and finished with anodizing for wear resistance. I can tailor lengths and bore sizes to common imperial and metric standards, and offer quick quotes for bulk orders to keep your production moving. When you choose our aluminum spacer unthreaded, you’re buying consistency: consistent machinability, surface finish, and supply. I understand lead times matter, so we keep ample stock and offer consolidated shipments for wholesale orders. For Manufacturers and Wholesale partners alike, we provide clear documentation, quality certificates, and easy reordering. Let me help you reduce assembly time and part mismatches with a simple, reliable spacer that fits right the first time.
Unthreaded aluminum spacers offer performance and practicality for global electronics assembly. They are lightweight and rigid, with good thermal conductivity and natural corrosion resistance. Without internal threads, installation is fast and consistent: precise heights, clean alignment, and reduced risk of thread damage during repeated use. Their simple geometry lowers tooling costs and supports high-volume production. Paired with standard fasteners, they provide reliable spacing for PCBs, enclosures, and chassis with a clean, uniform look. For buyers, the value is consistency: standard bore and length options, tight tolerances, and anodized finishes for protection and color coding. Custom options—hole patterns, through-holes, and exact thickness—can be delivered quickly to match specs, with stable batch quality. The result is a procurement-ready solution that simplifies sourcing, reduces assembly steps, and delivers speed, cost savings, and reliability across many applications.
| Spacer Type | Outer Diameter (mm) | Inner Bore (mm) | Length (mm) | Wall Thickness (mm) | Material Grade | Surface Finish (Ra µm) | Tolerance (mm) | Tensile Strength (MPa) | Hardness (HB) | Density (g/cm³) | Weight per Piece (g) | Co. Efficient (CTE) x10^-6 /K | Certification | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spacer A (6061-T6, Unthreaded) | 10 | 4 | 8 | 3 | 6061-T6 Aluminum | 0.8 | ±0.05 | 310 | 95 | 2.70 | 1.42 | 23 | ISO 9001 | Unthreaded bore for precise alignment; reliable in high-load assemblies. |
| Spacer B (6061-T6, Unthreaded) | 12 | 4 | 10 | 4 | 6061-T6 Aluminum | 0.8 | ±0.05 | 310 | 95 | 2.70 | 2.72 | 23 | ISO 9001 | Longer span spacer for mid-range assemblies. |
| Spacer C (6061-T6, Unthreaded) | 8 | 3 | 6 | 2.5 | 6061-T6 Aluminum | 0.9 | ±0.05 | 310 | 95 | 2.70 | 0.70 | 23 | ISO 9001 | Compact size, ideal for small connectors. |
| Spacer D (6061-T6, Unthreaded) | 16 | 6 | 12 | 5 | 6061-T6 Aluminum | 1.0 | ±0.05 | 310 | 95 | 2.70 | 5.60 | 23 | ISO 9001 | High stiffness for heavy-duty mounting. |
| Competitor A (7075-T6, Unthreaded) | 10 | 4 | 8 | 3 | 7075-T6 Aluminum | 1.0 | ±0.05 | 490 | 135 | 2.81 | 1.48 | 23 | ISO 9001 | Higher strength option; slightly heavier per volume. |