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