Kester Rosin Core Solder Wire SN63PB37 .010 1lb Spool 24-6337-9756 Core 66 Alloy
99% full spool
Hard to find fine .10 core 66
Genuine Kester 63/37 (Sn63Pb37) rosin core solder wire
99% full 1 lb (16 oz) spool – catalog #24-6337-9756
Specs:
• Alloy: Sn63Pb37 (63% tin / 37% lead) – eutectic, melts at 183°C / 361°F
• Diameter: .010” (0.25 mm / 30 AWG) – fine wire for precision electronics & SMD work
• Flux: Kester 285 RMA (mildly activated rosin)
• Core size: 66 (3.3% flux)
• Meets QQ-S-571F / ANSI-J-STD-006
• Date code: 05JUN02
This is the premium fine-diameter electronics grade that many repair techs and hobbyists still prefer over lead-free. Spool is full with clear original Kester label. Flux is older stock but the wire itself is excellent quality Kester.
Perfect for fine-pitch soldering, circuit board repair, or electronics projects where 0.010” diameter is needed.