Best Kester Solder in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kimco Distribution | 9.93 | ✅ | ✅ | ✅ |
(1) Kester 24-6040-0061 Spool, 1 Pound per Spool
Diameter - 0.062"Inch (1.50mm)
60% Tin / 40% Lead (Product contains Halogen)
66 Rosin Core / 44 Flux (3.3%)
Authentic Kester Product
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kimco Distribution | 9.93 | ✅ | ✅ | ✅ |
(1) Kester 24-6337-0027 Spool, 1 Pound per Spool
Diameter - 0.031"Inch (0.80mm)
63% Tin / 37% Lead (Product contains Halogen)
66 Rosin Core / 44 Flux (3.3%)
Authentic Kester Product
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kimco Distribution | 9.93 | ✅ | ✅ | ✅ |
tin 60% and lead 40%
Model Number: 24-6040-0053
Item Package Dimension: 2.599999997348" L x 2.599999997348" W x 2.399999997552" H
Item Package Weight: 1.053 lb
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CML Supply | 9.88 | ✅ | ✅ | ✅ |
Specially repackaged by TekLine Supply
1-Ounce pocket size pack contains approx 27 feet of solder!
67/37 Tin/Lead is most common for electronics work
.031" Diameter is common for fine-pitch electronics work
High activity RA formulation
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Wire Diameter: .031"
Alloy: 60% Tin / 40% Lead
Core Size: 66 (3.3% by weight)
Contains: 0.35 oz
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kimco Distribution | 9.93 | ❌ | ❌ | ❌ |
Industry standard for decades
Excellent solderability to a wide variety of metallization's
High activity rosin core formulation
Leaves bright/shiny solder joints after reflow
Standard core 66 (3.3 percent flux)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Kimco Distribution | 9.93 | ❌ | ❌ | ❌ |
The Package Length of the Product is 14.478 centimeters
The Package Width of the Product is 10.921 centimeters
The Package Height of the Product is 3.048 centimeters
Country of Origin: CHINA
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Janel Inc. | 5.95 | ❌ | ❌ | ❌ |
Package Dimensions: 6.223 cms (L) x 6.731 cms (W) x 6.223 cms (H)
Product Type: Electronic Component
Package Quantity: 1
Country Of Origin: United States
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Wire Diameter: .050"
Alloy: 60% Tin / 40% Lead
Core Size: 66 (3.3% by weight)
Contains: 1.3 oz
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Wire Diameter: .031"
Alloy: 96.5% Tin / 3% Silver / .5% Copper
Core Size: 66 (3.3% by weight)
Contains: 0.43 oz
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Alloy composition: Sn60/Pb40
Flux type: 44 rosin activated
Country of origin - united states
Core size: 66 in
Spool size: 1 lb
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Janel Inc. | 5.85 | ❌ | ❌ | ❌ |
(1) Pound Spool of Kester 24-6337-0018
Diameter - 0.025" Inch (0.60mm)
63% Tin / 37% Lead (Contains Halogen)
66 Rosin Core / 44 Flux (3.3%)
“Instant-action” wetting behavior, high mobility, and fast-spreading
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Kester | 10 |
| Kester Solder | 3 |
We've carried out a comprehensive analysis of 5,890 reviews on solder, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select solder priced around $25.72, with top brands including maiyum, towot, austor, weller, kester, kester solder, canfield, q-ming and yi lin and mg chemicals
Our team of expert editors reviewed these high-quality items and handpicked the top 13 solder for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include maiyum, yidu technology, austor direct, amazon.com, kimco distribution, concorde electronics, sra soldering products, mingq and chenxin shop and lesnow direct .
We are dedicated to assisting our users in finding the right solder Products based on their needs, saving them considerable time when choosing which solder to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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