![Kester 331 Lead Solder Wire - 1 lb - 0.02 in Wire Diameter - Sn/Pb Compound - 37 % Lead Content - 24-6337-6401 [PRICE is per POUND]](https://m.media-amazon.com/images/I/71k-04o99mL._AC_SL1500_.jpg)
![Kester 331 Lead Solder Wire - 1 lb - 0.02 in Wire Diameter - Sn/Pb Compound - 37 % Lead Content - 24-6337-6401 [PRICE is per POUND]](https://m.media-amazon.com/images/I/71XPfiIfAUL._AC_SL1500_.jpg)
![Kester 331 Lead Solder Wire - 1 lb - 0.02 in Wire Diameter - Sn/Pb Compound - 37 % Lead Content - 24-6337-6401 [PRICE is per POUND]](https://m.media-amazon.com/images/I/71jmfHyfjHL._AC_SL1500_.jpg)
![Kester 331 Lead Solder Wire - 1 lb - 0.02 in Wire Diameter - Sn/Pb Compound - 37 % Lead Content - 24-6337-6401 [PRICE is per POUND]](https://m.media-amazon.com/images/I/61HXZiLazDL._AC_SL1500_.jpg)
Kester 331 Lead Solder Wire - 1 lb - 0.02 in Wire Diameter - Sn/Pb Compound - 37 % Lead Content - 24-6337-6401 [PRICE is per POUND]
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Product details
| Management number | 218684113 | Release Date | 2026/05/03 | List Price | $27.20 | Model Number | 218684113 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Kester 331 is a water soluable formula flux-cored solder wire. More heat stable than most organic fluxes, using this solder wire results in minimal smoke and odor, and can be removed with a water rinse. Kester 331 organic flux is more effective than rosin fluxes when soldering difficult metals such as copper, nickel and brass. High heat stability allows for minimal smoke and odor. NOTE: Extremely active. Residues may need to be removed after soldering.
- Wire diameter: .020" is common for electronics work
- Alloy: Sn63Pb37 (63% Tin / 37% Lead)
- Core flux type: Water Soluable
- Core size: 66
- Spool size: 1 lb.
| Size | Diameter - 0.020"Inch (0.50mm) |
|---|---|
| Color | Kester "Red" Label (Water-soluble) |
| Style | 331 Flux-Cored Wire, Water-Soluble |
| Usage | Water-Soluble Liquid Flux is more effective than rosin fluxes in soldering difficult metals |
| Pattern | Water-Soluble 331 Flux-Cored Wire |
| Material | metal |
| Item Weight | 1.05 pounds |
| Part Number | 24-6337-6401 |
| Manufacturer | Kester |
| Certification | ORH1 per J-STD-004 |
| Special Features | The flux is more heat stable than most organic fluxes, resulting in minimal smoke and odor. |
| Item model number | 24-6337-6401 |
| Batteries Included | No |
| Batteries Required | No |
| Product Dimensions | 2.5 x 2.5 x 2.25 inches |
| Included Components | (1) Kester 24-6337-6401 Spool, 1 Pound per Spool |
| Item Package Quantity | 1 |
| Performance Description | Organic flux, resulting in minimal smoke and odor |
| Is Discontinued By Manufacturer | No |
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