Key Features
- High Wear Resistance: Hardened steel construction withstands repeated friction and mechanical loading.
- Dimensional Accuracy: Tight inner and outer diameter tolerances ensure precise fit with mating components.
- Versatile Configurations: Available as straight cylindrical sleeves, flanged bushings, stepped sleeves, or custom geometries.
- Smooth Bore Finish: Low-friction inner surface for shaft rotation or sliding applications.
- Surface Treatment Options: Zinc plating, nickel plating, black oxide, phosphating, or passivation.
- Insert Molding Compatible: Designed to be placed into molds before plastic injection for permanent integration.
Typical Specifications
| Item | 描述 |
|---|---|
| 材料 | 碳钢 (Q235 / 45#), 不锈钢 (SUS303 / SUS304 / SUS316L) |
| Surface Treatment | Zinc Plated, Nickel Plated, 黑色氧化, Phosphated, Passivated, Dacromet |
| Inner Diameter | 1.0 mm – 50.0 mm (Customizable) |
| 外径 | 2.0 mm – 60.0 mm (Customizable) |
| Overall Length | 2.0 mm – 100.0 mm (Customizable) |
| Wall Thickness | 0.3 mm – 5.0 mm (Customizable) |
| 轮廓 | Straight, 法兰式, Stepped, Grooved, Slotted |
| Tolerance | Standard ±0.05 mm, Tighter tolerances available on request |
| Hardness | As per material grade; heat treatment available |
Common Types
| Type | 描述 | Typical Use |
|---|---|---|
| Straight Sleeve | Plain cylindrical bushing | General spacer, bearing, shaft support |
| Flanged Bushing | Sleeve with integrated collar/flange | Axial positioning, thrust surface |
| Stepped Sleeve | Multi-diameter outer profile | Complex molded assemblies |
| Knurled Sleeve | Knurled outer surface | Enhanced grip in plastic overmolding |
| Slotted / Split Sleeve | Longitudinal slot | Spring-loaded or adjustable fit |
Applications
- Plastic gears, pulleys, and rollers (wear-resistant bore)
- Automotive plastic components (brackets, hinges, actuators)
- Electronic device hinges and pivots
- Household appliances (washing machines, vacuum cleaners)
- Power tool housings and gear assemblies
- Industrial machinery plastic parts
- Furniture hardware and fittings
Why Choose XLH Steel Sleeves
We manufacture steel sleeves with consistent roundness, concentricity, and surface finish — critical for reliable performance in rotating or sliding applications. Whether you need 1,000 pieces or 1,000,000, our production capabilities scale to your demand.
Ordering Information
- MOQ: Negotiable
- Sample Lead Time: 5–10 days
- Production Lead Time: 12–22 days
- Packaging: Bulk, polybag, tray, or custom
将您的图纸或样品发送给我们 for a competitive quotation. We also offer free DFM (Design for Manufacturing) feedback to help optimize your part for cost and quality.
