Custom Brass Bushings
Manufacturer.
We turn raw brass stock into precision engineered components. No catalogs. No standard sizes. Just your print, our machines, and perfect execution.
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Why Specify Brass?
Brass isn’t just about aesthetics. It’s an engineering powerhouse for specific applications where steel fails and plastic isn’t strong enough.
Superior Machinability
C36000 Free-Cutting Brass allows for extremely high-speed machining with excellent surface finishes (Ra 32 or better) directly off the tool, reducing cost per part.
Anti-Galling
Unlike stainless steel, brass has natural lubricity and won’t seize (gall) against steel shafts, making it ideal for bushings in low-speed, medium-load pivots.
Conductivity
Essential for electrical switchgear and grounding applications. Brass bushings provide structural support while maintaining electrical continuity.
PRECISION
Aesthetic & Functional
From the golden luster required for architectural hardware to the tight-tolerance bore needed for a hydraulic valve, our brass bushings deliver.
Manufacturing Specifications
| Parameter | Standard Capability | Precision Option |
|---|---|---|
| Diameter Tolerance (OD) | +/- 0.001″ (0.025mm) | +/- 0.0003″ (0.008mm) |
| Bore Tolerance (ID) | +/- 0.001″ (0.025mm) | H7 Fit / +/- 0.0004″ |
| Concentricity (TIR) | 0.002″ Max | 0.0005″ Max |
| Surface Finish | Ra 63 (Turned) | Ra 16 (Polished/Burnished) |
| Plating Options | None (Passivated) | Nickel, Tin, Silver, Chrome |
Process Workflow
CNC Turning
Bar fed automatics for high volume or chuckers for large diameter.
Deburring
Thermal or mechanical deburring to remove sharp edges.
Cleaning
Ultrasonic cleaning to remove oil and chips.
Inspection
100% Gaging for critical dimensions.
Packaging
VCI bags or tray packing to prevent oxidation.
Industry Applications
Marine Hardware
Naval brass bushings for winches, pulleys, and prop shafts requiring salt spray resistance.
Fluid Power
Valve stems, seats, and guide bushings for hydraulic and pneumatic systems.
Electrical
Inserts and bushings for switchgear, transformers, and grounding equipment.
Instrumentation
Precision knobs, standoffs, and dial bushings for measurement devices.
Complex Geometry? No Problem.
Our multi-axis turning centers can handle cross-drilling, tapping, milling flats, and complex internal grooving in a single setup. This ensures alignment and reduces the cost of secondary operations.
- Internal O-Ring Grooves
- External Threading
- Thin-Wall Capabilities
Frequently Asked Questions
What is the standard brass grade?
C36000 Free-Cutting Brass is the industry standard for turned parts due to its excellent machinability and finish.
Is brass RoHS compliant?
Standard C36000 contains lead. For RoHS compliance, we use C3604 or Eco-Brass/Lead-Free alternatives.
Do you stock bushings?
No. Rapidaccu is a custom manufacturer. We make parts to your print specifications.
Can you hold +/- 0.0005″?
Yes, we routinely hold tight tolerances on turned brass components.
Do you offer heat treatment?
Brass is typically not heat treated for hardness, but we can anneal it for stress relief.
What is the lead time?
Typically 2-3 weeks for production runs. Prototypes can be done faster.
Can you knurl brass?
Yes, straight, diamond, and cross-hatch knurling are standard capabilities.
How do I get a quote?
Send your 2D PDF and 3D step files to our email or use the form below.
Ready to Manufacture?
Precision brass components, delivered on time and to spec. Partner with the experts.
Start Your ProjectContact Details
Address
Rongli Industrial Park, Dalang
Longhua District, Shenzhen, China
Working Hours
Mon – Fri: 8:00 AM – 6:00 PM (GMT+8)