Threading Tools
SSTE / SSTI Type Screw-on for External Diameter Fig 1
WF
External Threading
Fig.1 PDX
SSTE
B
External
PDY
LF LH
LF
The values for dimensions LF and LH below are only for reference. The actual value is the value below minus the PDY value for the corresponding insert on F65.
H
HF
LH
Holder
Parts
Cat. No.
Stock
SSTE R1616H16 SSTE R2020K16 SSTE R2525M16
Cutting Edge Overall Height Width Head Length Functional Width Height
H
B
LF
LH
WF
HF
16 20 25
16 20 25
100 125 150
20,5 30,0 30,0
16 20 25
16 20 25
Dimensions (mm)
Screw Fig
Shim Screw Flat Washer
Shim
Wrench
PW3
YE3
TRX10
Nm
1 1 BFTX0312N 1
2,0
BX0304*1
*1 Shim screw wrench is sold separately.
Screw-on for Internal Diameter
WF
Internal Threading
DMIN Min. Bore Dia.
LH
H
LH
H
-1.5°
-1.5°
WF PDY
Stock
SSTI R1812M16*3 SSTI R2016M16*3 SSTI R2420Q16 SSTI R3125S16 SSTI R3732S16
H
Threading Holders
The values for dimension WF below are only for reference. The actual value is the value on F66. minus the PDY profile distance.
Holder Cat. No.
DCON
LF
-15°
PDX
Diameter Height
DMIN Min. Bore Dia.
LH
LF
-15°
LF
-15°
Fig.3 Fig 3 DCON
-1.5°
SSTI
Fig.2 Fig 2
DMIN Min. Bore Dia. DCON
WF
Fig.11 Fig
WF
Internal
Overall Functional Min. Bore Head Length Width Dia. *2
Parts
Dimensions (mm)
Screw
Shim Screw Flat Washer
Shim
Wrench
Fig
DCON
H
LF
LH
WF
DMIN
Nm
12 16 20 25 32
11,0 15,0 18,0 23,0 30,0
150 150 180 250 250
32,0 63,5 19,0 14,3 14,3
10,2 9,2 13,5 16,5 20,0
18 20 24 31 37
1 BFTX03085N 2,0 2 3 3 BFTX0312N 2,0 3
–
–
–
BX0304*1
PW3
YI3
TRX10
*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.
Stock
Cat. No.
S S T E R 25 25 M 16
Stock
YI3-3P YI3-2P YI3-1P YI3*4 YI3-1N YI3-2N YI3-3N
(1) Series SST Type
For External Diameters: YE3-3P
Pitch (mm)
3.0 2.0
Difficult-to-Machine Area
For Internal Diameters: YI3-3P
T1 = 3.5°
(2) External/ Internal
D
Symbol Distinction
For External Diameters: YE3-2P For Internal Diameters: YI3-2P
D
D
T1 = 1.5°
20
For Internal Diameters: YI3-1P
External
I
Internal
(6) Overall Length Symbol
Symbol
Symbol
(mm)
16 20 25 18 20 24 31 37
Symbol
(mm)
16 20 25 18 20 24 31 37
16
16
20
20
25
25
12
12
16
16
20
H K M Q S
100 125 150 180 250
20
25
25
32
32
(7) Insert Size Symbol
Inscribed Circle (mm)
16
9,525
For External Diameters: YE3 For Internal Diameters: YI3
T1 = 0.5°
10
For External Diameters: YE3-1P
E
FeedDirection
(5) Shank Width/ Diameter
(mm)
*4 Standard shim supplied with holder
1.0
0
T1 = 2.5°
(4) Shank Height/ Work Diameter
Symbol FeedDirection R
*4 * Standard shim supplied with holder.
T1 = 4.5°
(3) Feed Direction
Ext. Turn. (Width)
Cat. No.
YE3-3P YE3-2P YE3-1P YE3*4 YE3-1N YE3-2N YE3-3N
Holder Identification Code
Internal Boring
Internal Boring (Diameter)
External Turning
Ext. Turn. (Height)
Recommended Lead Angle (T1) 4,5° 3,5° 2,5° 1,5° 0,5° -0,5° -1,5°
Internal Boring (Min. bore dia.)
Left-hand Thread
Right-hand Thread Applications
Shim and Selection Criteria
30
40
For External Diameters: YE3-1N For Internal Diameters: YI3-1N
50
60
Details of Shim Selection →F67
70
Effective Diameter of Threading Hole (mm)
▌◄
F63