ທໍ່ເມຕຣິກ | ທໍ່ນິ້ວ | |||||||||
4 | 6 | 8 | 10 | 12 | 14 | 16 | 1/8 | 1/4 | 3/8 | 1/2 |
4ມມ | 6 ມມ | 8ມມ | 10 ມມ | 12ມມ | 14ມມ | 16ມມ | Φ1/8 | Φ1/4 | Φ3/8 | Φ1/2 |
ຂະໜາດວັດແທກ | ທໍ່(ນິ້ວ)-ກະທູ້(R) | |||||
ລະຫັດ | M5 | M6 | 1 | 2 | 3 | 4 |
ΦD | M5×0.8 | M6×1 | R1/8" | R1/4" | R1/4" | R1/2" |
G(PF)ກະທູ້ | ||||||
ລະຫັດ | G01 | G02 | G03 | G04 | ||
ກະທູ້ | G1/8" | G1/4" | G3/8" | G1/2" | ||
NPT ກະທູ້ | ||||||
ລະຫັດ | N01 | N02 | N03 | N04 | N06 | |
ກະທູ້ | NPT1/8 | NPT1/4 | NPT3/8 | NPT1/2 | NPT3/4 |