63/37 Rosin Core Solder – .031" Diameter

High-Quality 63/37 Solder for Easy, Reliable Connections

If you want a smooth and easy soldering experience, this 63/37 rosin core solder is the perfect choice. Blending 63% tin and 37% lead, this classic mix is a favorite for electronics projects and home repairs. The .031" (0.75mm) diameter is thin enough for precise work on circuit boards, small wires, and hobby projects, making it ideal for beginners and seasoned DIYers alike.

Why Choose 63/37 Rosin Core Solder?

• Easy to Use: Melts quickly and flows smoothly at lower temperatures, making soldering simple—even if you’re new to it.
• Strong, Lasting Bonds: The 63% tin / 37% lead ratio creates instant, solid joints that hold up to repeated use.
• No Hassle Repairs: The built-in rosin core acts as a flux, helping create clean, shiny connections and reducing oxidation.
• Perfect for Electronics: Ideal for circuit boards, small wire connections, sensors, and most DIY electronics work.

Technical Details

• Solder Mix: 63% Tin (Sn) / 37% Lead (Pb)
• Diameter: .031" (0.75mm)
• Weight: 0.50 OZ (14.17g)
• Core: Rosin Core for simple, flux-assisted soldering
• Package Type: Pocket Pack Tube – easy to carry and store
• Part Number: 4880-18G

Perfect for At-Home and Hobby Soldering

This 63/37 solder wire in a convenient tube is great for quick fixes, building electronics kits, and tackling your next creative project. No messy cleanup, just clean, easy-to-use soldering every time.

Previously known under part number: VUPN52