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Adjustable Type - T

Model：JT-74 / JT-108 / JT-121 / JT-121S

Instruction:
▶ Type T multi-spindle tool with two spindles adjustable can be used for dilling multi-spindle holes and tapping work. It is very convenient easy to operate.
▶ With a light structure , Type T multi-spindle tool with two spindles adjustable is very suitable for the table drill and may double its efficiency.

Please use Boxer wrencher to 　open the flexible collet.


▶ C=flexible collet / JT=Chuck
Model JT-74 JT-108 JT-121 JT-121S
Collet C-5 C-6 / JT0 C-9 / JT1 C-12
Max.Range of Centers 74 108 121 121
Lowest Distance 12 18 24 27
R.P.M 1:1 1:1 1:1 1:1
Max.Drilling Capacity 5 6 8 10
Spindle 2 2 2 2


​​​Collet dimension
▶ CT: For Tapping ( Note:d/ is the diameter of tap shank )
Type ￠dmm ￠Dmm Lmm B Amm Max Clamping Capacity
DT-4 ￠3~￠4 ￠8.2 24 1/4-28UINF 6 M3.5×0.6
CT-5 ￠3~￠5 ￠10.8 31.5 5/16-24UINF 8 M4×0.7
CT-6 ￠3~￠6 ￠13.1 36 3/8-24UINF 10 M6×1.0
CT-9 ￠3~￠7 ￠17 46 1/2-20UINF 14 M8×1.25
CT-12 ￠3~￠9 ￠21 50 5/8-18UINF 17 M12×1.75
CT-14 ￠3~￠12 ￠24.5 54 3/4-16UINF 21 M14×2.0
CT-16 ￠3~￠14 ￠31 70 M24-2.0 26 M18×2.5



▶ C: For Drilling (Note: d/ is the shank diameter of the drill bit (-0.04) such as round rod milling cutter and should be marked )
Type ￠dmm ￠Dmm Lmm B Amm Max Clamping Capacity
D-4 ￠2~￠4 ￠8.2 24 1/4-28UINF 6 ￠4
C-5 ￠2~￠5 ￠10.8 31.5 5/16-24UINF 8 ￠5
C-6 ￠2~￠6 ￠13.1 36 3/8-24UINF 10 ￠6
C-9 ￠2~￠7 ￠17 46 1/2-20UINF 14 ￠9
C-12 ￠3~￠12 ￠21 50 5/8-18UINF 17 ￠12
C-14 ￠5~￠14 ￠24.5 54 3/4-16UINF 21 ￠14
C-16 ￠5~￠16 ￠31 70 M24-2.0 26 ￠16


Dimension of spindle nose


Principal Dimension