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Kester 24-7068-6411 is a professional grade lead free solder wire built on the proven SAC305 alloy, which delivers Sn96.5Ag3Cu0.5 composition for reliable performance across RoHS compliant electronics assembly and heavy gauge component work. The 0.062 inch diameter is suited for larger joints, heavier component leads, and applications requiring more solder per joint. This spool includes 3.3 percent 331 Water Soluble flux that activates during soldering to promote excellent wetting and joint formation, though thorough cleaning with deionized water is required after the work is complete to remove flux residue and ensure board reliability. With a melting point range of 217 to 220 degrees Celsius or 422 to 428 degrees Fahrenheit, made in the USA, this wire covers professional rework, wave soldering prep, and production environments where a silver bearing lead free alloy with water soluble activation is the standard choice.
Flux Note: Water soluble flux requires thorough post-solder board cleaning with deionized water
Diameter: 0.062 inch (1.57 mm), suited for larger joints and heavier component leads.
Spool Size: 1 lb
Melting Point: 217 to 220°C (422 to 428°F)
Compliance: RoHS compliant, lead free
Best For: Lead free electronics assembly on larger joints, RoHS compliant PCB production, heavy gauge component work, high volume production runs, wave soldering preparation
Related SKUs: Kester 24-9574-7613 (K100LD No Clean, 0.050"), Kester 24-9574-7618 (K100LD No Clean, 0.031").
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
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