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KESTER SOLDER 24-6040-0027 Wire Solder, 0.031"Dia., Pack of (1),32117

4.9 4.9 out of 5 stars 2,582 ratings
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List Price: $60.00
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Purchase options and add-ons

  • Kester 24-6040-0027 - (1) Spool, 1 Pound per Spool
  • Diameter: 0.031" Inch (0.80mm)
  • Alloy: 60% Tin / 40% Lead (Product contains Halogen)
  • Core / Flux Type: Rosin Core / 44 Flux (3.3%)
  • Authentic Kester Product - Made in the U.S.A.
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KESTER SOLDER 24-6040-0027 Wire Solder, 0.031"Dia., Pack of (1),32117
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Customer reviews

4.9 out of 5 stars
2,582 global ratings

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Customers say

Customers appreciate the high-quality solder that works well for fine work and electronics repair. It flows nicely, is easy to use, and has a consistent melting point temperature. They find it a great value for the price and appreciate its resistance to vibration and temperature cycling. Customers also mention it's easy to use for electronics and its size is suitable.

AI-generated from the text of customer reviews

Select to learn more
Quality solderWorks wellFlowValue for moneyMelting pointEase of useElectronics useSize
330 customers mention "Quality solder"326 positive4 negative

Customers like the quality solder. They say it improves their soldering technique, is a good leaded solder, and flows well. The joints look better than ever, and it's worth the money.

"Good quality!" Read more

"Great value and high quality solder. If you don’t mind the price, do yourself a favor and invest in solder like this." Read more

"Flows great, stays shiny. You end up using less solder" Read more

"Kester 24-6040-0027 is the best solder I've used in 20 years. Clean, smooth flow. Could not ask for better." Read more

100 customers mention "Works well"100 positive0 negative

Customers like the product. They say it works well for fine work, produces repeatable results, and has zero issues. It works great for 18 to 24 gauge stranded wire and copper, brass, and anything that has been Tinned.

"...expensive solder, but doing the math for a 1 pound roll, it works out well!..." Read more

"I did try it when I received it. It works well on copper, brass and anything that has been 'Tinned'...." Read more

"...back to not worrying about my solder, and of course I'm having excellent results." Read more

"...This I had amazing results with. Comes highly recommended and I second that notion." Read more

68 customers mention "Flow"65 positive3 negative

Customers like the flow of the product. It melts and wets nicely, and is easy to work with. The internal flux eliminates the need for pre-fluxing, making it less messy.

"...MOST importantly, this solder flows MUCH better than the off name brand...." Read more

"Flows great, stays shiny. You end up using less solder" Read more

"Flows great!" Read more

"Kester 24-6040-0027 is the best solder I've used in 20 years. Clean, smooth flow. Could not ask for better." Read more

62 customers mention "Value for money"50 positive12 negative

Customers appreciate the value for money. They say it's a great value for the price.

"Great value and high quality solder. If you don’t mind the price, do yourself a favor and invest in solder like this." Read more

"...I found this on Amazon the the price is good compared to other sources. I ordered this and I've been using it for some time now...." Read more

"Great price, Great solder." Read more

"...5 Stars: Works exactly as advertised, is a good value at the price point purchased, would buy again or recommend to a friend...." Read more

51 customers mention "Melting point"47 positive4 negative

Customers appreciate the solder's melting point. They say it melts and flows smoothly, is consistent in temperature, and has good resistance to vibration and temperature cycling. The solder still retains its shine when cooled, which is a contrast to cloudy appearance. It is suitable for auto audio, cooling fan wiring, auto alarm installation, and modular builds.

"...It DOES still shine when cooled, which is a huge contrast to the cloudy look of the "cheap stuff"...." Read more

"...It’s much better than that you buy from local stores. Its melting point is much quicker and flows evenly. The best is you get 2 rolls...." Read more

"The solder melts great at 375 and little to no spatter." Read more

"...And the 60/40 has that oh so nice lower melting point so you dont have to struggle with that higher melting point lead free crap which causes you..." Read more

36 customers mention "Ease of use"36 positive0 negative

Customers find the solder easy to work with. It goes on smoothly, making electronic soldering easier. They say it's much easier to use than lead-free solders when the application allows for it. The thinner gauge allows them to solder smaller components easily. Putting boards together with this wire is a joy, and using lead alloys is easier.

"Great stuff, easy to work with, quality materials. A+" Read more

"...This stuff flows and wets nicely, and is super easy to work with. Buy now before some fun-hating government agency bans it." Read more

"...Get this stuff and make soldering easy! Btw, try to wear gloves whenever possible. It is 40% lead after all...." Read more

"Use this for soldering my RC cars. Works great and easy to work for a clean solder finish." Read more

36 customers mention "Electronics use"36 positive0 negative

Customers find this solder suitable for electronic applications like circuit board work and close-proximity components. They say it's a good source for their electronics projects and a must-have for their electronics workbench. The low melt point makes it suitable for small electronic work.

"Great electrical soldier." Read more

"...It's low flux so less mess. IF you looking for a good source for your electronics projects, I highly recommend this. It's been great for me...." Read more

"For Electronics work." Read more

"...This contains lead, and is preferred for guitar amplifiers and pedals, so I've read, and I am rather pleased by it's flow characteristics, in that..." Read more

28 customers mention "Size"26 positive2 negative

Customers like the size of the solder. It's a good general purpose size for most wires from 10-30 AWG. The diameter works great for smaller projects like drone building, kit building, and electronic repair servicing. It flows well and fits the Hakko single solder reel stand.

"...The 0.031" diameter works well for electronic components. What's not to like?" Read more

"Excellent solder. It melts and flows well, and the diameter is perfect for through-hole parts like I use it the most with...." Read more

"...And this diam is the perfect general purpose size for most wires from 10-30 AWG and for any through-hole electronic components as well as even for..." Read more

"...probably get a roll of thicker stuff, but this size is great for little tightly spaced pins" Read more

Best solder Ever
5 out of 5 stars
Best solder Ever
I just begging my FPV journey and first time soldering look my results i was wasting my money buying cheap solder KESTER IS THE BEST
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Top reviews from the United States

  • Dan W.
    5.0 out of 5 stars Nice!
    Reviewed in the United States on December 21, 2024
    Verified Purchase
    Good quality!
    Helpful
     Report
  • Kipp
    5.0 out of 5 stars Great product.
    Reviewed in the United States on October 5, 2024
    Verified Purchase
    Great value and high quality solder. If you don’t mind the price, do yourself a favor and invest in solder like this.
    Helpful
     Report
  • Desertpilot
    5.0 out of 5 stars Level up to this!!!
    Reviewed in the United States on May 14, 2024
    Verified Purchase
    I WAS reordering leaded .8mm at 100grams per roll. Finally paid attention to the Kester seemingly expensive solder, but doing the math for a 1 pound roll, it works out well!

    It DOES still shine when cooled, which is a huge contrast to the cloudy look of the "cheap stuff". that happens to make it easier to check the work under magnification.

    MOST importantly, this solder flows MUCH better than the off name brand. I thought the ugly work was my iron or tip, but turned out to be the weird named solder!

    I definitely recommend upgrading to Kester if you have been use to the light rolls of Chinese off brands. I got another roll of .5mm wire for SMD work and am much more confident working the micro stuff now
    3 people found this helpful
    Helpful
     Report
  • Dissatisfied with delivery
    5.0 out of 5 stars Kester solder is great. I've tried others but always come back.
    Reviewed in the United States on August 17, 2024
    Verified Purchase
    Flows great, stays shiny. You end up using less solder
    Helpful
     Report
  • John KaBang
    5.0 out of 5 stars It solders very well.
    Reviewed in the United States on April 24, 2024
    Verified Purchase
    I did try it when I received it. It works well on copper, brass and anything that has been 'Tinned'. I'll start using it in earnest when my present roll runs out. The 0.031" diameter works well for electronic components. What's not to like?
    Helpful
     Report
  • jim schlipp
    5.0 out of 5 stars great solder
    Reviewed in the United States on September 5, 2024
    Verified Purchase
    great solder wouldn`t buy anything else works very well
    Helpful
     Report
  • "strongshock"
    5.0 out of 5 stars The best.
    Reviewed in the United States on September 10, 2024
    Verified Purchase
    I previously used Kester 44 for decades, and recently decided to try a similar product from BG Chem. That worked OK despite the flux leaving behind more residue than Kester. This was until I got halfway through the spool where the solder had no flux. I pulled layer after layer off the defective spool until I saw smoke again, indicating rosin content. I was left with only a small amount of useable solder. That never happened with Kester 44. So I ordered more 44 from amazon, and tossed out the 'other brand' in the bin where it belongs. Now I'm back to not worrying about my solder, and of course I'm having excellent results.
    One person found this helpful
    Helpful
     Report
  • Damon Barnhart
    5.0 out of 5 stars Perfect solder
    Reviewed in the United States on August 23, 2024
    Verified Purchase
    Flows great!
    Helpful
     Report
 

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