Rapid Prototyping: Get samples in 3-7 days for concept validation
Scalable Production: From 1 piece to 10,000+ units
Competitive Pricing: Factory-direct rates with volume discounts
One-Stop Solution: Machining + surface treatment + assembly
Transparent Pricing: Detailed cost breakdown per operation
Consistent Quality: ISO 9001 certified with full inspection reports
Flexible MOQ: Start with single prototypes
Fast Reorders: Standard lead time 7-15 days
Tight Tolerances: ±0.01mm on critical features
Complex Geometries: 5-axis machining for 3D contours
Extensive Materials: Metals, plastics, composites
DFM Feedback: Free manufacturability analysis
Cost Efficiency: Optimized toolpaths minimize material waste
No Tooling Cost: Direct machining vs. molds
Quick ROI: Fast turnaround accelerates product launch
FX Protection: USD/EUR pricing available
CNC (Computer Numerical Control) machining is a subtractive manufacturing process that uses pre-programmed computer software to control machine tool movement. BRM Metal offers comprehensive CNC services including milling, turning, drilling, and grinding for precision metal parts.
BRM Metal's CNC Machining Capabilities:
3-Axis, 4-Axis, and 5-Axis machining centers
CNC turning with live tooling and sub-spindle
Precision tolerance: Up to ±0.01mm
Surface finish: Ra 0.2-3.2μm
Max part size: 1500 x 800 x 600mm
Standard milling operations for prismatic parts
Flat surfaces, pockets, slots
Holes, threads, chamfers
Engraving, drilling, tapping
Rotational axis added for complex features
Helical interpolation
Complex cavities
Index milling operations
Full 3D contouring for complex geometries
Turbine blades, impellers
Medical implants
Aerospace components
Rotational machining for cylindrical parts
External/internal diameters
Threads, grooves, knurls
Live tooling operations
Post-machining surface treatments
Polishing, grinding
Anodizing, plating
Heat treatment
| Feature Type | Standard Tolerance | Precision Tolerance | Measurement Method |
|---|---|---|---|
| Linear Dimensions | ±0.05mm | ±0.01mm | Caliper / CMM |
| Hole Diameter | ±0.03mm | ±0.01mm | Pin Gauge / CMM |
| Thread Pitch | ±0.05mm | ±0.02mm | Thread Gauge |
| Surface Roughness | Ra 1.6μm | Ra 0.2μm | Surface Profilometer |
| Angular Tolerance | ±0.5° | ±0.1° | Angle Gauge / CMM |
| Concentricity | 0.05mm | 0.01mm | CMM / Dial Indicator |
| Feature | CNC Machining | Investment Casting | Die Casting | 3D Printing |
|---|---|---|---|---|
| Tolerance | ±0.01mm | ±0.05mm | ±0.03mm | ±0.1mm |
| Material Waste | 30-50% | 5-10% | Very Low | <5% |
| Setup Cost | Low | Medium | High (tooling) | Low |
| Complexity | Limited | Excellent | Good | Unlimited |
| Material Range | Wide | Limited | Limited | Limited |
| Surface Finish | Ra 0.2μm | Ra 1.6μm | Ra 0.8μm | Ra 3.2μm |
| Best For | Tight tolerances | Complex, large parts | High volume | Prototypes, small runs |
| 6061-T6 | General purpose, good machinability |
| 7075-T6 | High strength, aerospace grade |
| 2024-T3 | High fatigue resistance |
| 5052-H32 | Excellent corrosion resistance |
| ADC12 | Die casting alloy, good fluidity |
| C101 (OFE) | High conductivity, oxygen-free |
| C110 (ETP) | Standard copper, good machinability |
| Brass C360 | Free-cutting, excellent finish |
| Bronze C932 | High bearing performance |
| Tellurium Copper | Excellent machinability |
| 303 | Free-machining, non-hardenable |
| 304 | General purpose, corrosion resistant |
| 316 | Marine, medical applications |
| 410 | Hardenable, wear resistant |
| 17-4 PH | Precipitation hardening |
| 1018 | Low carbon, general purpose |
| 1045 | Medium carbon, heat treatable |
| A36 | Structural, mild steel |
| 4140 | Chromium-molybdenum, high strength |
| O1 Tool Steel | Oil-hardening, dimensional stability |
| Delrin (POM) | High stiffness, low friction |
| Nylon (PA6/66) | Good mechanical properties |
| PEEK | High temperature, chemical resistant |
| PTFE (Teflon) | Excellent chemical resistance |
| UHMWPE | Ultra-high molecular weight |
| PEI (Ultem) | Flame retardant, high strength |
| PPS | Chemical and heat resistant |
| PC (Polycarbonate) | Impact resistant, transparent |
| Acetal (POM-C) | FDA compliant |
| Inconel 625/718 | Aerospace, chemical processing |
| Hastelloy C276 | Corrosive environments |
| Ti-6Al-4V | Medical implants, aerospace |
| Waspaloy | Turbine engine applications |
| Kovar | Glass-to-metal seals |
| Invar 36 | Low thermal expansion |
| MP35N | Medical devices, springs |
| Tungsten | High density, radiation shielding |
0.3mm
Standard0.1mm
StandardLimited
LimitedM0.8-M64
StandardLimited
5-Axis0°
No Draft±0.01mm
PrecisionRa 0.2μm
MirrorAvailable
3D PrintedAvailable
Standard10:1 Ratio
StandardAvailable
EDM AccessUse standard drill sizes and tap drills when possible
Design for accessibility - tools need entry paths
Specify tolerances only where functional (reduces cost)
Avoid deep narrow pockets - consider alternative designs
Add fillet radii at internal corners for better machining
Matrix showing surface treatment compatibility with our machined materials
| Treatment | Aluminum | Steel | Stainless | Titanium | Brass |
|---|---|---|---|---|---|
| Passivation | N/A | N/A | Yes | Yes | N/A |
| Electroplating (Ni, Cr, Zn) | Yes | Yes | Yes | Limited | Yes |
| ED Coating (Epoxy) | Yes | Yes | Yes | Yes | Yes |
| PVD Coating (TiN, DLC) | Yes | Yes | Yes | Yes | Limited |
| Spray Painting | Primed | Yes | Primed | Primed | Primed |
| Polishing | Yes | Yes | Yes | Yes | Yes |
| Anodizing (Type II/III) | Yes | N/A | N/A | Limited | N/A |
| Black Oxide | N/A | Yes | Yes | N/A | N/A |
Quick pricing reference for CNC machined parts
¥0 - ¥50,000
No tooling for standard parts
Custom fixtures extra
¥0.5 - ¥50
Material & complexity dependent
Precision parts higher
1 pc
Prototypes welcome
Volume discounts from 50+
3-7 Days
After file approval7-14 Days
Standard lead time1-3 Weeks
By destination1-10 pcs
¥25
50-100 pcs
¥12
500+ pcs
¥5
5000+ pcs
¥2
* Indicative pricing for standard aluminum 6061 parts, complexity and material affect final price
Quantity: 1-20 pcs
Lead Time: 3-7 days
Focus: Speed & quality
Quantity: 50-500 pcs
Lead Time: 7-14 days
Focus: Best value
Quantity: 1000+ pcs
Lead Time: 14-30 days
Focus: Unit cost
Turbine blade components
Landing gear parts
Structural brackets
Hydraulic manifold blocks
Satellite structural parts
Surgical instruments
Orthopedic implant trials
Diagnostic equipment enclosures
Dental handpiece components
Pump and valve parts
Transmission components
Engine brackets
Suspension parts
Lighting housings
Sensor mounts
Heat sinks
EMI/RFI enclosures
Connector housings
PCB mounting hardware
Precision shafts
Precision gears and pinions
Actuator housings
Joints and bearings
End effector brackets
Frame mounting plates
Valve components
Downhole tool parts
Pump impellers
Fittings and adapters
Pressure housings
IATF 16949, ISO 13485, ISO 9001 certified facilities. Full dimensional inspection with CMM reports available.
DMG MORI, Mazak, Fanuc machining centers. 3, 4, and 5-axis capability. Sub-micron accuracy measurement.
30+ years combined CNC experience. DFM feedback included. Specialize in tight-tolerance aerospace and medical parts.
Coordinate measuring machines, optical inspection, surface profilometers, hardness testers on-site.
24-hour quote. Prototypes in 3-7 days. Production lead times from 7-15 days. Express service available.
Machining, heat treatment, surface finishing, plating, anodizing, painting, and assembly under one roof.
We accept single-piece orders for prototyping. No MOQ required. Volume discounts start at 50+ pieces.
We accept STEP (.stp), IGES (.igs), Parasolid (.x_t), SOLIDWORKS (.sldprt), and PDF drawings. DXF/DWG for 2D.
We offer: bead blasting, polishing, brushed finish, anodizing (Type II/III), hard anodizing, chromate conversion, nickel plating, zinc plating, powder coating, and more.
Yes, we can machine materials up to 50 HRC using carbide tooling. For harder materials, we recommend EDM processing.
Yes, FAI reports with CMM data, material certifications, and process traveler documentation are available for all orders.
Quotes within 24 hours. Simple parts: 3-7 days. Complex parts: 7-15 days. Production runs: 15-30 days. Expedited service available.
Upload your CAD files for an instant quote. Our team is ready to help with your precision machining needs.
Contact: Cindy | Phone: +86 021 5512 8901 | Email: sales1@brm-metal.com
Material: 6061-T6 Aluminum
Tolerance: ±0.02mm
Finish: Clear Anodized
Material: 304 Stainless
Concentricity: 0.01mm
Ra: 0.4μm
Material: Ti-6Al-4V
5-Axis Machined
ISO 13485 Facility