
Zinc Plated Precision Steel Bushings & Custom Shaft Sleeve Bearing Spacers
PRODUCT PARAMETERS
- Structure: Seamless precision CNC machined cylindrical bushing / sleeve spacer with chamfered edges
- Dimensions: Fully customized Inner Diameter (ID), Outer Diameter (OD), Wall Thickness, Length
- Material: Carbon Steel (20# / 45# / SAE 1020 / 1045), Stainless Steel 304 / 316, Alloy Steel (40Cr / 20CrMo), Brass
- Surface Finish: Bright blue‑white zinc plated, yellow zinc, black oxide, plain anti‑rust oiled, hard chrome
- Tolerances: Up to ±0.01mm precision tolerance available upon request
- Features: High concentricity, uniform wall thickness, inner/outer bevels for smooth pin insertion, wear‑resistant
- Application: Hydraulic cylinders, automotive control arms, mechanical linkage pivots, agricultural implements, conveyor rollers
- Customization: 100% OEM production according to technical drawings or samples
Description
Product Specifications
| Parameter | Specification / Option |
| Product Name | Custom Steel Shaft Sleeve / Precision Metal Bushing / Bearing Spacer |
| Standard | OEM / Non-Standard Machined per Technical Drawing or Physical Sample |
| Inner Dia. (ID) | 5mm – 100mm+ (Customized bore options) |
| Outer Dia. (OD) | 8mm – 120mm+ (Customized outer dimensions) |
| Length / Height (L) | 5mm – 200mm (Multiple length variations available) |
| Machining Accuracy | Machining Tolerance ±0.02mm, Grinding Tolerance up to ±0.005mm |
| Material Options | Carbon Steel (Q235/20#/45#), Stainless Steel (304/316), Alloy Steel (40Cr) |
| Surface Finish | Blue-White Zinc Plating, Yellow Zinc, Black Phosphate, Chrome Plating |
| Heat Treatment | High-frequency Induction Hardening, Carburizing, Nitriding (Optional) |
| Packaging | VCI Anti-Rust Polybags + Master Export Cartons + Wooden Pallets |
| MOQ | 2,000 Pcs (Flexible trial orders supported for standard custom sizes) |
Detailed Description
Overview
Our Custom Precision Steel Bushings & Shaft Sleeve Spacers are engineered to provide durable load support, reduce wear, and maintain precise axial spacing in mechanical assemblies. Manufactured from high-grade steel tubing or solid bar stock through precision CNC turning and grinding, these sleeves feature accurate concentricity and clean chamfered edges to facilitate easy assembly over pins or shafts.
Whether used as low-friction pivot bushings, structural distance spacers, or protective shaft sleeves, our components undergo strict quality control to meet exact ID/OD and wall-thickness requirements.
Key Features & Advantages
- High Concentricity & Dimensional Accuracy: Machined on advanced CNC lathes to eliminate wall-thickness variation and prevent rotational binding.
- Smooth Inner & Outer Bevels: Precision chamfering on both ends ensures smooth shaft insertion and protects seals/mating parts during installation.
- Superior Surface Treatment: Electro-galvanized zinc plating or specialized coatings offer long-lasting corrosion resistance against moisture, oil, and atmospheric exposure.
- Optional Hardening Solutions: Available with carburizing or induction heat treatment for high-wear environments demanding extended service life.
5. Main Applications
High-converting category keywords for machinery manufacturers, automotive suppliers, and industrial buyers:
- 🚜 Agricultural & Heavy Machinery: Hinge pin sleeves, hydraulic cylinder pivot bushings, and linkage spacers.
- 🚗 Automotive & Chassis Systems: Control arm bushings, shock absorber spacers, and steering rack sleeves.
- ⚙️ Industrial Equipment & Drives: Conveyor roller bearings, gearbox shaft sleeves, and motor spacer collars.
- 🏋️ Fitness & Commercial Products: Gym machine pulley spacers, axle sleeves, and linear guide collars.
6. Packaging & Customization Services
[ Packaging Options ]
- Option A: VCI anti-rust polybags + Heavy-duty master cartons
- Option B: Plastic tray packaging for high-precision ground surface protection
- Option C: Bulk export cartons stacked on fumigated wooden pallets
[ OEM & Custom Capabilities ]
- CNC Lathe Turning, Centerless Grinding, and Internal Boring
- Custom ID/OD tolerances, oil grooves, holes, or step flanges
- Material options: Carbon Steel, Stainless Steel, Alloy Steel, Brass, Aluminum
- Surface heat treatments: Case hardening, Nitriding, Hard Chrome Plating
FAQs
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- This saw is powered by our largest 15 amp Dual-Field
- High torque motor so you will make the last cut as precisely as you did the first cut.
- Exclusive 60 degree bevel. High torque Dual-Field motor. Legendary SKILSAW durability.
- Includes: SPT78W 8-1/4 In. Worm Drive SKILSAW, 24 Tooth Carbide blade and multi-functional blade wrench.





