Investment-Cast Bronze Bushings & Fittings
Investment-cast bronze bushings and fittings, with close tolerances and a fine surface finish from the lost-wax process.
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Precision Casting Parts
Investment-Cast Machined Supports
Investment-cast support brackets and stands, with bosses and mounting faces machined for rigid, repeatable mounting.
| Part weight | 5 g – 15 kg |
|---|---|
| Dimensional | ±0.05 mm general (to print); ±0.02 mm on critical features |
| Surface | Shot blasted, tumbled, passivated or electropolished |
About this part
What it is and why it is made that way
These supports carry a load and have to sit square. The casting provides the shape and the material, the bosses are drilled and the mounting faces are machined, so the support bolts down flat and the load path stays in the material where it was designed to be.
- Bosses drilled and mounting faces machined after casting
- Rigid cast form with no welds in the load path
- Material certificate supplied on request
- Surface shot blasted or passivated as standard
Materials
- Stainless 304 / 316L
- Carbon steel 1045 / 4140
- Alloy steel 17-4PH
- Bronze and brass (CuSn10, CuZn37)
- Aluminium A356
Production processes
- Investment casting (lost wax)
- Lost-wax casting
- Shell moulding
- Deburring and shot blasting
- CNC finish machining
Typical applications
- Support brackets and stands
- Sensor and instrument supports
- Pump and motor supports
- Machine guarding supports
Specification
Technical detail
The ranges below are what this shop typically holds. Anything tighter than the baseline is possible — send the drawing and we will confirm it against your specific tolerances rather than quote from a table.
| Part weight | 5 g – 15 kg |
|---|---|
| Dimensional | ±0.05 mm general (to print); ±0.02 mm on critical features |
| Surface | Shot blasted, tumbled, passivated or electropolished |
| Porosity | ≤1% gas porosity on critical surfaces, to agreed specification |
| Inspection | X-ray and dye penetrant testing available on request |
| Mounting face flatness | ≤0.10 mm |
| Bore position | ±0.05 mm from the datum |
| Part weight | 30 g – 12 kg |
Material and finish are yours to choose. The lists above are the families this part is normally made in. We will not substitute a grade or change a tolerance without telling you first — and asking.
In the same process line
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If this is not quite your part, these are made on the same equipment with the same inspection.
Investment-Cast Bronze Brackets
Investment-cast bronze mounting brackets and fittings, with complex forms reproduced faithfully from the model.
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Investment-cast levers and linkage arms in stainless and bronze, with the pivot bores machined to a close tolerance.
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Get a quote for this part
Send the drawing and we will quote it against your material, your tolerance and your quantity. One business day, in writing, with a lead time you can plan around.