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Tinned Copper Wire, Buss Wire, 20 AWG, Silver - 7 Spool Sizes

$9.89 - $404.96
(3 reviews) Write a Review
Wire Size:
20 AWG
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Tinned copper wire is a single strand wire with a tin plate coating. It is used in a variety of uninsulated applications including electrical hook-ups, jumpers, and grounds. It can also be used to make jewelry. This wire meets the ASTM B33 standards for tinned copper and complies with the RoHS directive.

Know you’re in need of tinned copper wire, but unsure of the dimensions or gauge you need? Head to our Resources section where you’ll find our tinned copper wire data sheet to help you learn more.

If you’re in the right place, click “add to cart” and check out, or “add to quote” to request customizations and make your spools even more perfect for your project.

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  • Diameter: 0.0320"
  • Wire Type: Bus Bar Wire
  • Specification: ASTM B33
  • Used for uninsulated grounding and electrical applications
  • Corrosion and oxidation resistant
  • RoHS & REACH Compliant

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  • 25' (20TCW25)
  • 100' (20TCW)
  • 250' (20TCW250)
  • 500' (20TCW500)
  • 1000' (20TCW1000)
  • 2500' (20TCW2500)
  • 5000' (20TCW5000)

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Need a custom length or configuration for this wire? Our custom services team can help!

3 Reviews Hide Reviews Show Reviews

  • 5
    Love it!

    Posted by Denise on Jul 19th 2021

    This wire works perfect for all my stained glass projects. Excellent quality and fast shipping. I will always come back to purchase more.

  • 5
    Tinned wire 20 gushed .

    Posted by Dennis on Dec 7th 2017

    I have used this for 5 years on my stained glass projects for trim and decorations. People are impressed at how it to my designs.

  • 5
    tinned copper wire. 20AWG

    Posted by Dennis Ewert on Nov 22nd 2017

    I use this wire in my stained glass projects. The quality is great. I used both 20 and 18 gage. I am on my 4th spool. I have the page bookmarked because it is the best quality I have found.