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Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options
Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options
Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options
Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options
Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options
Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options

Bulk Supply of CNC Prototype Parts with Multiple Surface Treatment Options

US$ 0.20 ~ 0.18
Min.Order: 1
Product origin: Dongguan, Guangdong, China
Category: Medical Equipment
Product Name: Medical Equipment
Availability:In Stock
Product Review : 67 Reviews
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  • Material Capabilities : Aluminum, Brass, Bronze, Steel, Stainless Steel, Plastic
  • Machining Processes : CNC Turning, CNC Milling, 5-Axis Machining, Mill-Turn
  • Tolerance : ±0.01mm to ±0.05mm
  • Surface Roughness : Ra 0.1~3.2
  • Maximum Part Size : 2200×1850×350mm (Milling), Ø200-300mm (Turning)
  • Drawing Formats : STEP, STP, IGS, X-T, DXF, DWG, PDF
  • Surface Treatments : Anodizing, Plating, Powder Coating, Sandblasting, Polishing
  • Minimum Thread Size : M1×0.25mm
  • Production Capacity : 150,000 pieces/month
  • Lead Time : 3-7 days for samples, 20-30 days for bulk orders

Getting tight-tolerance prototypes fast is usually a headache, especially when you need surfce finishes that actually match production intent without paying for full tooling runs.

CNC machining parts

We handle it by running CNC turning, milling, 5-axis, and mill-turn on same floor—so that part you designed in STEP or STP doesn't get bounced between shops. Tolerance lands at ±0.01mm to ±0.05mm, and surface roughness sits between Ra 0.1 and 3.2, which covers most functional and aesthetic needs.

CNC turned parts

CNC milling parts

Materials go form alumnum and stainlss to brass, bronze, steel, and plastics—threads can go as small as M1×0.25mm if you need it. Maximum part size hits 2200×1850×350mm for milling, or Ø200-300mm for turning, so it's not just tiny stuff.

5-axis CNC machining

Surface treatments include anodizing, plating, powder coating, sandblasting, and polishing—basically whatever finish your drawing calls for. Samples usually take 3-7 days, bulk orders about 20-30 days, and we push 150,000 pieces a month, so our company can scale without much fuss.

Frequently Asked Questions

What's the minimum order quantity for bulk orders, and can I mix different surface treatments in one shipment?

For bulk orders, we typically start at 500 pieces per line item, but we can mix multiple surface treatments like anodizing and powder coating into a single shipment as long as each treatment meets its own minimum. Just note that mixing treatments might slightly affect the lead time since each finish requires a separate process run.

How do you handle the tight ±0.01mm tolerance on larger parts, especially those near the maximum milling size of 2200×1850×350mm?

We use 5-axis machining centers with real-time compensation to hold ±0.01mm on parts up to that max size, but for very large or complex geometries, we recommend a tolerance band of ±0.02mm to avoid scrap. Our engineers will review your STEP file and flag any potential issues before production.

Can you provide material certifications or test reports for the stainless steel and aluminum lots?

Yes, we supply mill certificates for all metal materials, including chemical composition and mechanical property reports for stainless steel and aluminum. Just request them when you place the order, and we'll include the docs with your shipment.

What's the standard packaging for CNC prototype parts with polished or plated surfaces to prevent scratches during transit?

We wrap each part individually in soft foam or bubble wrap, then pack them in sturdy cartons with compartmentalized inserts. For polished or plated surfaces, we add a layer of anti-static film and use corner protectors to avoid any contact damage.

Can you do internal threading as small as M1×0.25mm on brass or aluminum parts, and what's the depth limit?

Yes, we can tap M1×0.25mm threads in brass and aluminum, but the maximum depth we recommend is 3x the thread diameter—so about 3mm deep for M1. For deeper threads, we'd suggest using a thread insert or switching to a slightly larger size to avoid breakage.

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