Leaded Non-electrical Solder, 4-oz., .125-diameter

Discover the robust 4‑oz .125" leaded acid‑core solder wire, engineered for demanding automotive projects where a reliable joint is essential. This high‑visibility spool combines a smooth, consistent diameter with a proven tin‑lead alloy, delivering a clean melt that flows effortlessly into cast‑iron, steel and copper surfaces. Its non‑electrical formulation eliminates stray currents, making it ideal for vehicle brake, fuel and chassis work.

Why choose this solder? The alloy’s 40% tin and 60% lead balance provides excellent wetting ability and strong mechanical strength, ensuring durable connections that resist vibration and temperature fluctuations. The built‑in acid flux core eliminates the need for additional cleaning agents, speeding up repair time and reducing waste on the shop floor.

• Precise .125" diameter: Guarantees uniform feed and accurate placement, perfect for tight automotive joints.
• 4‑oz spool capacity: Offers ample material for multiple repairs without frequent reloading.
• 40% tin / 60% lead alloy: Delivers optimal melt flow and superior joint strength for automotive components.
• Integrated acid flux core: Provides instant activation, promoting clean solder joints and minimizing oxidation.
• Leaded, non‑electrical composition: Prevents stray currents, safeguarding sensitive vehicle electronics during soldering.

Experience professional‑grade results: Whether you are a seasoned mechanic or a DIY enthusiast, this leaded acid‑core solder wire empowers you to achieve fast, reliable connections that stand up to the rigors of the road. Its easy‑use design reduces setup time, while the trusted alloy composition ensures each joint meets automotive industry standards. Upgrade your repair kit today and enjoy the confidence of a flawless solder joint every time.