These are Cnc Machined Drone Parts Aluminum for racing, inspection, and delivery UAV frames, motor mounts, and gimbal arms. We hold ±0.005mm tolerance on critical bores, 0.01mm runout on shaft feature
These are Cnc Machined Drone Parts Aluminum for racing, inspection, and delivery UAV frames, motor mounts, and gimbal arms. We hold ±0.005mm tolerance on critical bores, 0.01mm runout on shaft features, and ship first articles in 5 days from drawing approval. Every part is cut from 6061-T6 or 7075-T6, then hard anodized to 40HRC equivalent surface wear resistance — built for vibration, not bench display.
Motor mounts fail when hole spacing drifts under vibration. We use 4th-axis indexing on our Fanuc Robodrill to hold hole-to-hole spacing at ±0.005mm, and we ream every mounting hole after CNC cutting — not just drill. Runout on the center pilot bore stays under 0.01mm, so your motor bell spins true. We also balance the mount pattern to prevent harmonic resonance in the 200-400Hz range, which is where most aluminum drone arms crack.
We stock 6061-T6 for general arms and camera mounts — 42HRC tensile strength, 30% lighter than steel. For racing frames and heavy-lift arms, we switch to 7075-T6, which gives 83,000 psi yield strength at the same weight. We do not use T4 or annealed stock unless you spec it. After machining, we stress-relieve at 320°F for 2 hours to remove cutting stress, then hard anodize: 50 microns thickness, 400 HV hardness, which resists sand and carbon dust abrasion.
Every Cnc Machined Drone Parts Aluminum order gets a full CMM report — not a random sample. We measure all critical dimensions on a Zeiss Contura G2 with 0.5-micron resolution. For surface finish, we use a Mitutoyo SJ-210 profilometer on every non-visible surface that touches a bearing or fastener. We include these reports as PDFs with your shipment, and we keep them on file for 5 years. If a dimension is out of spec, we scrap the part — we do not rework and ship.
Standard finish is Ra 0.8 on mating faces and Ra 1.6 on aerodynamic surfaces. For racing drones, we offer Ra 0.4 on leading edges to reduce drag by 12% at 80 km/h. For gimbal arms that carry cameras, we apply a bead-blasted finish (Ra 2.5) to hide fingerprints and reduce reflective glare. We can also leave a raw machined finish if you are doing your own post-coating — just note it in your drawing.
Heat sinks on ESCs and motors need high thermal conductivity, not just strength. 6061-T6 has 167 W/m·K thermal conductivity, which is 8% higher than 2024 and 30% higher than 7075. For these parts, we CNC machine fin arrays with 1.5mm fin thickness and 2.5mm pitch, giving you 45% more surface area than die-cast parts. We also add a micro-groove pattern on the base (0.3mm depth) that increases convective heat transfer by 18% in static air tests.
Your first prototype is machined on the same 5-axis DMG MORI that runs your 5,000-piece production order. We use the same soft jaws and vacuum fixtures, so tolerances do not shift when you move from pilot run to volume. There is no MOQ — order 1 piece for proof-of-concept or 10,000 pieces for a fleet rollout. For production, we hold ±0.005mm on all critical features, and we keep a first-article sample in our inspection room for 12 months.
| Specification | Value / Range |
|---|---|
| Materials | 6061-T6, 7075-T6, 5052-H32 |
| Size range | 5mm x 5mm x 5mm to 500mm x 300mm x 200mm |
| Hardness (as machined) | 24HRC (6061-T6) to 42HRC (7075-T6) |
| Hardness (after anodize) | 400 HV (equivalent to 40HRC surface) |
| Tolerance (critical bores) | ±0.005mm |
| Tolerance (general) | ±0.01mm |
| Runout (shaft/pilot features) | ≤0.01mm |
| Surface finish (standard) | Ra 0.8 on mating faces, Ra 1.6 elsewhere |
| Surface finish (optional) | Ra 0.4, bead blast Ra 2.5, micro-groove |
| Lead time (prototype) | 5 working days |
| Lead time (production) | 10-15 working days for 1,000 pcs |
| MOQ | No MOQ (1 piece accepted) |
There is no MOQ — we accept and machine a single prototype part, so you can test before committing to volume.
Yes — we machine custom hole patterns, countersinks, and press-fit brass or steel threaded inserts (M2, M3, M4) directly from your STEP or IGES file, with no design-for-manufacturing penalty.
We use in-process probing on every part, plus a final CMM check on 10% of the batch; if any part fails, we quarantine the entire lot and re-machine from the same fixture setup.
Prototype lead time is 5 working days, production is 10-15 days, plus 3-5 days for DHL or FedEx shipping to most international airports — so you can have parts in hand within 3 weeks.
For a firm quote within 12 hours, email sc@bquq.com with your drawing (STEP, IGES, or PDF) and quantity. Prefer chat? WhatsApp +86 13713157787. We reply to every inquiry within 2 business hours, China time (UTC+8). Send your drawing now — we will confirm machinability, tolerances, and price the same day.
Before you send files, check our CNC cutting tool selection guide to understand how tool geometry affects your part’s surface finish, and review the CNC machining tolerances guide to see which of your dimensions can be relaxed to cut cost. Both are written by our shop floor engineers, not marketing.
| Parameter | Capability |
|---|---|
| Materials | AL6061/7075, SUS303/304/316, 45# steel, T2 copper, H59 brass, POM, PEEK, nylon |
| Tolerance | ±0.005mm standard, ±0.003mm on request |
| Machines | 3/4/5-axis CNC, turn-mill, Swiss lathe |
| Surface | Anodizing, nickel, zinc, passivation, sandblast, polish |
| Size Range | Max 400 x 300 x 200 mm |
| Prototype | 72 hours, no MOQ on samples |
| Inspection | Full report per batch, CMM data on request |
