Clear, square copper sheet CNC flat stock standing upright on a work surface. This is a 100 × 100 mm copper sheet with a smooth, reflective surface and clean machined edges, shown as raw, unfinished copper intended for CNC machining, electrical grounding, EMI shielding, heat spreading, and precision fabrication applications.

Copper Sheet: 1mm -100 x 100 mm | CNC Machining Stock

1mm
$24.00
$24.00
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Clear, square copper sheet CNC flat stock standing upright on a work surface. This is a 100 × 100 mm copper sheet with a smooth, reflective surface and clean machined edges, shown as raw, unfinished copper intended for CNC machining, electrical grounding, EMI shielding, heat spreading, and precision fabrication applications.
  • Clear, square copper sheet CNC flat stock standing upright on a work surface. This is a 100 × 100 mm copper sheet with a smooth, reflective surface and clean machined edges, shown as raw, unfinished copper intended for CNC machining, electrical grounding, EMI shielding, heat spreading, and precision fabrication applications.
  • Side profile of a thin copper sheet held between fingers, showing a 1 mm thick copper plate with sharp, clean edges. The image highlights material thickness and rigidity, demonstrating suitability for CNC machining, electrical grounding plates, EMI and RF shielding, and precision metal fabrication work.
  • White CNC-carved bust mounted in a rotary fixture on a dark machine bed, with large text reading “Fabrication Services Available.” Promotes Aetherium Innovations custom fabrication, CNC machining, prototyping, and maker service work for parts, fixtures, and specialty projects.
  • Aetherium Innovations workshop bench with a Carvera Air CNC machine, Bambu Lab 3D printer, filament dryer, hand tools, and pegboard, with text reading “Need a quote? Message me for current lead times.” Promotes custom fabrication, 3D printing, CNC, and project quote services.
  • Clear, square copper sheet CNC flat stock standing upright on a work surface. This is a 100 × 100 mm copper sheet with a smooth, reflective surface and clean machined edges, shown as raw, unfinished copper intended for CNC machining, electrical grounding, EMI shielding, heat spreading, and precision fabrication applications.
  • Side profile of a thin copper sheet held between fingers, showing a 1 mm thick copper plate with sharp, clean edges. The image highlights material thickness and rigidity, demonstrating suitability for CNC machining, electrical grounding plates, EMI and RF shielding, and precision metal fabrication work.
  • White CNC-carved bust mounted in a rotary fixture on a dark machine bed, with large text reading “Fabrication Services Available.” Promotes Aetherium Innovations custom fabrication, CNC machining, prototyping, and maker service work for parts, fixtures, and specialty projects.
  • Aetherium Innovations workshop bench with a Carvera Air CNC machine, Bambu Lab 3D printer, filament dryer, hand tools, and pegboard, with text reading “Need a quote? Message me for current lead times.” Promotes custom fabrication, 3D printing, CNC, and project quote services.
Copper Sheet: 1mm -100 x 100 mm | CNC Machining Stock

Copper Sheet: 1mm -100 x 100 mm | CNC Machining Stock

$24.00
$24.00
Shipping calculated at checkout.
Thickness1mm

In stock: 1-3 business days

Long before it became decorative, copper was the backbone of electrical systems, thermal management, and mechanical interfaces where conductivity mattered more than convenience. Its combination of electrical performance, thermal transfer, and ductility makes it indispensable in modern electronics, power distribution, and precision fabrication.

It is commonly used for grounding plates, EMI and RF shielding, heat spreaders, bus bars, and custom electrical interfaces. In CNC and prototyping environments, copper is chosen when current flow, heat dissipation, or contact reliability cannot be compromised.

Copper machines differently from aluminum or brass. It rewards sharp tooling, controlled feeds, and deliberate passes. It conducts heat aggressively, work-hardens under poor technique, and offers clear feedback during cutting.

Thickness: 1 mm (0.039 in)
Form: Flat sheet stock
Finish: Raw copper

For the Modern Maker
Ships from the Pacific Northwest, USA

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower the barriers in the skilled art trades.

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

Complete the system

Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
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