Kester part number 24-6040-0039 is a professional grade solder wire featuring a Sn60Pb40 alloy composition, 0.040 inch diameter, and 3.3 percent 44 rosin activated flux core. This classic lead based formulation melts at 183 to 190 degrees Celsius and is ideal for through hole soldering, PCB assembly, electronics rework, and general repair work where reliable wetting and strong mechanical bonds are essential. The 0.040 inch diameter makes it well suited for medium sized joints on standard component leads and wire connections. As a USA manufactured product from Kester, a trusted name in professional soldering supplies, this wire delivers consistent performance and repeatability across production runs and field service applications.
Key Features:
Alloy Composition: Sn60Pb40 (60% tin, 40% lead)
Diameter: 0.040" 1 mm
Weight: 1 pound (LB) per spool (SPL)
Flux Core: 3.3% 44 Rosin Activated Flux
Melting Point:183-190° C 361-374° F
.040" Diameter suitable for medium sized soldering jobs. Rosin Flux must be cleaned after use.
