Kester 24-9574-1400 K100LD is a professional grade lead free solder wire featuring a Sn99.3 Cu0.7 alloy composition with 3.3% rosin activated flux core, offered in 0.062" diameter for precise soldering applications. This solder excels in PCB assembly, electronics rework, and through hole soldering tasks where reliability and consistent wetting are critical. The rosin activated flux provides excellent flow characteristics and joint integrity without requiring aggressive post solder cleaning, making it a trusted choice for professional electronics shops and production teams. Made in the USA, this product delivers the thermal and mechanical performance demanded by technicians who depend on reproducible, high quality solder joints.
Product Features:
Diameter: .062 inches (1.5 mm)
Weight: 1 lb - Conveniently packaged for both hobbyists and professionals.
Composition: Low Cost Alloy (99.3% Tin .7% Cu)
Lead-Free: Complies with RoHS regulations, making it an environmentally friendly choice.
Flux Core: 3.3% 48 Rosin Activated Flux
Melting Point: 227° C 441° F
.062" Diameter suitable for medium to larger sized soldering jobs. Rosin Flux must be cleaned after use.
Ultra fine sized diameter useful for precision soldering and micro electronics.
.015" (0.4 mm)
Very fine sized diameter useful for precision soldering and jobs requiring small amounts of solder.
.020" (0.5 mm)
Fine sized diameter used for through hole and and surface mount work. Delivers a Controlled amount of solder.
.025" (0.6 mm)
Ideal for standard circuit board components where precision is needed but not ultra-fine work.
.031" (0.8 mm)
Ideal for fixing circuit boards, replacing components, and general rework. Popular for Arduino, Raspberry Pi, and DIY projects. It's a versatile diameter, often called the "sweet spot" for electronics.
.040" (1.0 mm)
Perfect for surface-mount devices (SMDs) and medium components where precision is key but more solder is needed.
.050" (1.27 mm)
Used for various tasks where a balance of flow and control is required, like general electrical repairs.
.062" (1.5 mm)
medium-thickness wire ideal for general electronics, larger through-hole components, appliance repair, automotive work, and crafts like stained glass
.093" (2.36 mm)
versatile, medium-to-thick wire used for general and heavier-duty electrical, electronics, automotive, and HVAC repairs/manufacturing.
Size guide text
Choosing a selection results in a full page refresh.
