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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 12

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: N/A
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $50.63
3 $45.64
5 $43.49
15 $39.21
25+ $37.37


Attributes Table
Alloy Composition SN63/PB37
Flux Type 331 Water Soluble
Diameter 0.02in
Core Size 66in
Spool Size 1lb
Features and Applications

For over 100 years, Kester has been a global leader in supplying higher performance interconnecting materials and related services to the electronic assembly market. Globally, Kester is known for their high quality product and advanced manufacturing technology.

Kester “331” is a high activity water-soluble core flux for soldering difficult metals. “331” is designed for optimal cleanability along with minimal smoke and odor. “331” is classified as ORH1 per J-STD-004.

The 24-6337-6401 from Kester is a “331” flux solder wire composed of 63% Tin and 37% Lead. 24-6337-6401 consists of a 0.020 diameter, 66 core size and is available in 1 pound spools.