To avoid bend

To avoid crack

To avoid leak

To make strength

0.05 mm - 0.13 mm

0.05 mm - 0.12 mm

0.05 mm - 0.11 mm

0.05 mm - 0.10 mm

2 to 6 times of metal thickness

2 to 8 times of metal thickness

2 to 10 times of metal thickness

2 to 12 times of metal thickness

Adjustable soldering copper bit

Hatchet soldering copper bit

Electric soldering copper bit

Point soldering copper bit

Adjustable soldering copper bit

Hatchet soldering copper bit

Electric soldering copper bit

Point soldering copper bit