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Your cart is empty.Designed to enhance the quality of all hand and robotic soldering jobs, Weller WSW increases productivity while reducing operating costs. WSW solder wires optimize the performance of the soldering process by reducing tip consumption , ensuring a low total cost of ownership by decreasing labor time and resources. The patented Reduced Splash feature increases direct user safety and clean workbrench. With a guaranteed 100% continuous flux core, combined with pure first metal melting, WSW avoids costly rework and enables long-term, highly durable solder joints without cracking, even on difficult surfaces.
Bijan E.
2025-08-18 12:47:47
I build guitar pedals with this solder. It's perfect and I love it.
Andrew Kha
2025-07-30 13:55:37
excellent price-quality ratio
Cecil Collins
2025-06-25 11:02:28
did what it was supposed to do.
C. Y.
2025-05-10 18:06:02
Finally, a good lead-free solder wire for making daily soldering job much easier. This solder can be effortlessly applied between the PCB copper & component. Except, the price is x2 higher than the leaded solder wire. I really like to use it.
Andrew V.
2025-05-04 17:23:48
It's a little harder to use than lead solder, but with enough heat and flux the joints look just like lead solder. Really enjoy using this. Plus it's lead free so RoHS compliant!
Heaterman
2025-01-16 12:35:09
had to use a lot of inches to get good adhesion. by the time i got it to stick the connector was melted
Adam Conrad
2024-11-25 13:56:18
I tried the 0.5mm, which is about as thin as I'd go before it starts getting annoying. This is great for doing fine delicate work, but requires a lot of feeding when doing anything more than that.The biggest selling point of this is the 3% silver that's going with the 96.5% tin and 0.5% copper. This is an ideal solder for making hard strong joints that last the test of time.Weller's L0 is still the toughest, but this M1 solder is easier to work with and makes better looking joints. For everyday work that you still want to last 20 years, this is the best solder on the market.This is a fairly large spool that won't run out anytime soon. The 0.5mm size is definitely on the tiny size, so if you want one solder for doing a lot of general work, I'd probably go with the 0.8. For something that can literally handle any project with room for error, this 0.5 is a good way to go.Overall great solder.Highly recommended.
E. Hayes
2024-11-18 11:43:40
Works great. Comes just as pictured. Would have liked a half size reel rather than the large one since there's no need for the larger size with the lower amount of product on it. No big issues though.
Carbor Undium
2024-11-17 16:13:54
Es muy buen calidad, y el diámetro delgado lo hace ideal para accesos difÃciles. Ademas el ser muy delgado permite su fusion muy rápidamente.
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