Threading Tools STI / SSTI
Screw-on for Internal Diameter
Internal
Metric Thread Unified Thread
Internal Threading STI
Fig 1
Min. Bore Diameter (DMIN)
DCON
H
15°
LF
F
Holder
Parts
Dimensions (inch / mm )
Overall Length
Cutting Edge Distance
Cutting Edge Distance
Min. Bore Diameter
Flat Screw Wrench
Diameter
Height
Cat. No.
Fig
N m
DCON
H
LF
WF
E1
DMIN
STIR103 STIR123 STIR163 STIR203 STIR243 STIR316 STIR320
1 1 1 1 1 1 1
.625 .750
.590 .670 .905
6.000 7.000 8.000
.406 .492 .600 .724 .897
.1080 .1525 .1375 .1415 .1560
.750
● ● ● ● ●
1.000 1.150 1.400 1.700
1.000 1.250 1.500
2.0
BFTX03508
TRX10
1.142 1.378
10.000 12.000
16 20
15 18
150 180
11 14
3.5 5.0
20 25
Screw-on for Internal Diameter
Internal
Min. Bore Diameter (DMIN) DCON
Min. Bore Diameter (DMIN) DCON
Min. Bore Diameter (DMIN) DCON
Internal Threading SSTI
Fig 1
Fig 2
Fig 3
LH
H
LH
H
LH
H
LF
LF
-15°
LF
-15°
-15°
The values for dimension WF below are only for reference. The actual value is the value on page F78 minus the PDY insert dimension.
PDX
Holder
Parts
Dimensions ( mm )
Cutting Edge Distance
Min.Bore Diameter
Flat Screw Shim ScrewFlat Washer Shim Wrench
Diameter Height Overall Length Head
Cat. No.
Fig
N m
DMIN *2
DCON H LF LH WF
SSTI R1812M16 *3 SSTI R2016M16 *3
12 11.0 150 32.0 10.2 16 15.0 150 63.5 9.2 20 18.0 180 19.0 13.5 25 23.0 250 14.3 16.5
18 20 24 31
1 2 3 3
-
-
-
BFTX03085N 2.0
SSTI R2420Q16 SSTI R3125S16 SSTI R3732S16
TRX10
BFTX0312N 2.0 BX0304 *1
PW3 YI3
3 *1 Shim screw wrench is sold separately. *2 The minimum bore diameter is the diameter of the prepared hole. *3 Left-hand threads are not available. 32 30.0 250 14.3 20.0 37
N m Recommended Tightening Torque (N·m)
Worldwide Warehouse Item
F76
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