0B 1B 2B

22-14AWG 24-16AWG 28-20AWG 30-22AWG 32-28AWG 34-28AWG

2.3-3.2 3.3-4.2 4.3-5.2 5.3-6.2 6.3-7.2 7.3-8.2 8.3-9.2

2 3 4 5 6 7 8 9 10 12 14 16 18 19 26 32

焊接

公焊锡