일반 관용탭(PT)
PTHM
unit (mm)
| CODE NO. | THREADS | Chamfer Lead |
Thread Length |
Overall Length |
Shank Dia |
Length of Square |
Square | Number of Flute |
| PT(Rc) | L1 | L2 | L | Φd | L3 | L4 | F | |
| PTHM 1828 | 1/8 – 28 | 2.5P | 19 | 65 | 8 | 9 | 6 | 4 |
| PTHM 1419 | 1/4 – 19 | 2.5P | 28 | 72 | 11 | 12 | 9 | 4 |
| PTHM 3819 | 3/8 – 19 | 2.5P | 28 | 75 | 14 | 14 | 11 | 4 |
| PTHM 1214 | 1/2 – 14 | 2.5P | 35 | 90 | 18 | 17 | 14 | 4 |
CUTTING DATA – TAP
| Material | Cast iron FC |
Strong cast iron FCD |
East · Bronze CU · PB |
Aluminum AL |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | |||||||||
| SPEED (m/min) | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | ||||||||
