OpeningWe machine extruded aluminum heatsinks to your exact drawing. Not from a catalog. Not from a stock list. From your PDF, STEP, or DXF file.Every part is verified before shipm
Custom Extruded Aluminum Heatsinks | Precision Manufacturing, No MOQ
OpeningWe machine extruded aluminum heatsinks to your exact drawing. Not from a catalog. Not from a stock list. From your PDF, STEP, or DXF file.Every part is verified before shipment. You get a dimen
Get a Fast Quote for This Part
Send us your drawing / quantity / material — reply within 24h.
We machine extruded aluminum heatsinks to your exact drawing. Not from a catalog. Not from a stock list. From your PDF, STEP, or DXF file.
Every part is verified before shipment. You get a dimensional report, a material certificate, and a surface finish check. If it does not match your drawing, we do not ship it.
Tolerance: ±0.05 mm on critical fins, ±0.1 mm on overall length
Lead time: 7–12 days for prototypes, 15–20 days for production runs
No MOQ: order 1 piece or 100,000 pieces
Fin height up to 80 mm, fin thickness down to 0.8 mm
Surface: clear anodize, black anodize, or as-machined
Made in China, shipped worldwide via DHL, FedEx, or sea freight
Specifications
Parameter
Value
Material
Aluminum 6063-T5, 6061-T6, 1050, 1100
Billet size
Up to 300 mm width, 6000 mm length
Extrusion press
800 MT, 1350 MT, 2500 MT
Fin thickness
0.8 mm minimum
Fin height
80 mm maximum
Tolerance (critical)
±0.05 mm
Tolerance (general)
±0.1 mm
Straightness
0.5 mm per 1000 mm
Twist
1° per 1000 mm
Surface finish
Ra 1.6 µm as-machined, Ra 0.8 µm optional
Anodizing
Clear, black, hard coat (up to 25 µm)
CNC post-processing
Drilling, tapping, milling, slotting, cutting to length
Inspection
CMM, optical comparator, profilometer
Batch size
1 piece to 100,000 pieces
Lead time
7–12 days prototype, 15–20 days production
All heatsinks are extruded from virgin aluminum billets. We do not use recycled scrap. This keeps thermal conductivity consistent at 200–210 W/m·K for 6063-T5.
Three reasons buyers send us their drawings
1. Batch-traceable quality
Every batch gets a unique lot number. We record the billet heat number, extrusion date, and CNC program version. If a problem appears in your assembly line, we can trace it back to the exact hour of production. No guesswork. No "we will check."
Dimensional measurements against your drawing
Anodizing thickness test results
Hardness check (8–12 HW for 6063-T5)
Surface roughness readings
Photos of critical features
This report is signed by our QC engineer. It is not a generic PDF. It is specific to your parts.
3. One factory for CNC + stamping + springs + heatsinks
Your heatsink might need a stamped mounting clip, a compression spring for a socket, or a CNC-machined base plate. Most suppliers outsource these. We do not. Our factory has four production lines: CNC machining, metal stamping, springs, and heat sinks. You send us one drawing package. We coordinate all processes under one roof. Fewer suppliers, fewer delays, fewer quality gaps.
Where these parts are used
Power electronics: IGBT modules, rectifiers, motor drives
LED lighting: high-bay fixtures, street lights, horticultural lamps
Telecommunication: base station amplifiers, RF power supplies
Automotive: EV battery cooling plates, DC-DC converters, onboard chargers
Industrial automation: servo drives, variable frequency drives, laser power supplies
Medical equipment: MRI gradient amplifiers, CT scanner power stages
In each application, the heatsink is not a commodity. It is a thermal management component that determines system reliability. A 5°C reduction in junction temperature can double the lifespan of a power semiconductor. That is why we hold tight tolerances on fin spacing and base flatness.
Q: Do you really have no MOQ?
A: Yes. We accept orders for 1 piece. Prototype buyers often order 2–5 pieces for testing. Production buyers order thousands. The price per piece drops with volume, but the setup cost is fixed. We do not force you to buy more than you need.
Q: How do you ensure tolerance and quality?
A: We use a three-stage check. First, we inspect the extrusion die and first article. Second, we measure every 10th piece during production with a CMM. Third, we do a final 100% visual and dimensional check on critical features. You get the inspection report with the shipment.
Q: What is your lead time for custom heat sinks?
A: Prototypes: 7–12 days after drawing approval. Production: 15–20 days. If you need faster, we can rush the die making for an additional fee. For repeat orders, we keep your extrusion dies in our tool room, so lead time drops to 10–15 days.
Q: Can you provide material certificates?
A: Yes. Every shipment includes a mill certificate for the aluminum billet. We also provide anodizing thickness reports and hardness test results. If your customer requires a specific standard (ASTM B221, EN 755, or GB/T 5237), we can issue the certificate accordingly.
Send your drawing
Send us your 2D or 3D drawing. We will review the geometry, check for manufacturability, and give you a firm quote within 12 hours. No hidden costs. No vague estimates.
Email: sc@bquq.com
WhatsApp: +86 13713157787
We are a precision manufacturing factory in Dongguan, China, with 20 years of experience in CNC machining, metal stamping, springs, and heat sinks. Your custom heat sinks will be made in China, verified before shipment, and delivered on time. No MOQ. Send your drawing today.
