Precision CNC Turned Parts & Sensor Housing
Precision CNC Turned Parts
We turn custom components on CNC and Swiss-type lathes, holding tolerances down to ±0.005 mm on small parts. They go into automotive assemblies, hydraulic valves, aerospace fittings and industrial machinery.
- ✓ Machining range: Ø 1.5 to 300 mm, length up to 600 mm
- ✓ Tolerance: ±0.005 mm (5 microns) on Swiss-type, ±0.010 mm on CNC turning centers
- ✓ Surface finish: Ra 0.2 µm (Swiss-type) to Ra 1.6 µm
- ✓ Materials: brass, bronze, stainless steel, aluminium
Machining capability
| Parameter | CNC turning centers | Swiss-type CNC automats | Multi-axis turn-mill centers |
|---|---|---|---|
| Outer diameter | Ø 10 to 300 mm | Ø 1.5 to 32 mm | Ø 5 to 200 mm |
| Max length | Up to 600 mm | Up to 300 mm per pass | Up to 500 mm |
| Tolerance | ± 0.010 mm | ± 0.005 mm (5 µm) | ± 0.008 mm |
| Surface roughness (Ra) | 0.4 to 1.6 µm | 0.2 to 0.8 µm | 0.4 to 1.2 µm |
Materials and finishes
| Material | Grades | Finishes |
|---|---|---|
| Brass and bronze | C36000, C37700, CW614N, CW617N, C51000 phosphor bronze | Nickel, chrome or tin plating; electroless nickel |
| Stainless steel | SS 303, SS 304, SS 316/316L, SS 416, SS 17-4PH | Passivation, electro-polishing, PVD coating, oxide coating |
| Aluminium | Al 6061-T6, Al 7075-T6, Al 2024, Al 6082 | Clear or colour anodizing, hard anodizing, chemical conversion |
Brass grades we machine
| Grade | Standard | Copper (%) | Lead (%) | Good for |
|---|---|---|---|---|
| CW614N (CuZn39Pb3) | EN 12164 | 57.0 to 59.0 | 2.5 to 3.5 | Fast turning, clean finish, fittings and valve parts |
| CW617N (CuZn40Pb2) | EN 12164 | 57.0 to 59.0 | 1.6 to 2.5 | Hot-forged parts that also need machining |
| C36000 (CW603N) | ASTM B16 (free-cutting brass) | 60.0 to 63.0 | 2.5 to 3.7 | High-speed turning of small precision parts |
| C37700 | Forging brass | 58.0 to 61.0 | 1.5 to 2.5 | Forged then machined components |
Primary applications
Automotive fuel injectors
Injector nozzles, valve spools and ABS brake fittings.
Hydraulic and pneumatic valves
Valve stems, hydraulic pistons, hose adapters and quick-couplers.
Electronics hardware
Threaded brass standoffs, RF coaxial bodies and switchgear terminals.
Drawing desk reference
Standard ISO metric coarse thread sizes and conversions, handy when you prepare a drawing for quotation.
| Thread | Pitch (mm) | Tap drill (mm) |
|---|---|---|
| M3 | 0.5 | 2.5 |
| M4 | 0.7 | 3.3 |
| M5 | 0.8 | 4.2 |
| M6 | 1.0 | 5.0 |
| M8 | 1.25 | 6.8 |
| M10 | 1.5 | 8.5 |
| M12 | 1.75 | 10.2 |
| M16 | 2.0 | 14.0 |
Conversions
- 1 inch = 25.4 mm
- 1 mm = 1,000 µm
- 5 µm = 0.005 mm ≈ 0.0002 inch
- 1 foot = 304.8 mm
Precision Sensor Housings
Leak-proof metal housings, thermowells and probe bodies, made to order to protect sensors, RTDs, thermocouples and pressure transducers in harsh environments.
- ✓ Protection: IP67, IP68 and IP69K
- ✓ Threads: NPT ¼″, NPT ½″, M12×1, M18×1, BSPT
- ✓ Features: hermetic sealing, O-ring groove, knurling
- ✓ Materials: stainless steel 316L, nickel-plated brass, anodized aluminium 6061
Housing types
| Parameter | Temperature sensor housings | Pressure transducer bodies | Proximity and optical bodies |
|---|---|---|---|
| Ingress protection | IP68 / IP69K (high-pressure wash) | IP67 / IP68, hermetically sealed | IP65 / IP67, sealed |
| Max pressure | Up to 250 bar | Up to 600 bar (60 MPa) | Atmospheric to 50 bar |
| Temperature | −200 to +800 °C (SS316L) | −40 to +150 °C | −20 to +85 °C |
| Mounting threads | G ½″, G ¼″, ½″ NPT, M20×1.5 | 7/16-20 UNF, ¼″ NPT, M14×1.5 | M8×1, M12×1, M18×1, M30×1.5 |
Choose the material for the environment
| Material | Corrosion resistance | Typical environment | Compatible sensors |
|---|---|---|---|
| Stainless steel 316L | Exceptional (acid and salt resistant) | Chemical plants, marine, food and dairy | RTD PT100, thermocouples, pH sensors |
| Nickel-plated brass | Moderate (cost-effective) | Factory automation, machinery | Inductive proximity, capacitive sensors |
| Anodized aluminium | Good (lightweight) | Aerospace, robotics, portable devices | Optical sensors, accelerometers |
Primary applications
Industrial process automation
Housings for temperature transmitters and pressure transducers in oil and gas plants.
Automotive and EV probes
Engine oil pressure sensors, coolant probes and EV battery thermal sensors.
Food and pharma
Hygienic, electro-polished SS316L thermowells with Tri-Clamp connections.