1
STCR/L-18


Grade
E xte r n al th read in g to o l h o l d e r


WF


B
LF
LH


2

HF


H


Insert
HBH
Right hand (R) shown.
Designation H B LF LH HF WF HBH Insert
STCR/L1010X18 10 10 120 18.5 10 10 4.5 TC*18...
STCR/L1212F18 12 12 85 18.5 12 12 2.5 TC*18...
STCR/L1212X18 12 12 120 18.5 12 12 2.5 TC*18...


Ext. Toolholder
3
STCR/L1616X18 16 16 120 18.5 16 16 - TC*18...
STCR/L2020X18 20 20 120 23 20 25 - TC*18...
Use right-hand toolholders (R) with right-hand inserts (R); and left-hand toolholders (L) with left-hand inserts (L).

SPARE PARTS
Designation Clamping screw Wrench
STCR... CSTC-4L100DL T-1008/5


Int. Toolholder
4
STCL... CSTC-4L100DR T-1008/5


STCR/L-18

5

Threading
E xte r n al th read in g to o l h o l d e r, wi t h h i g h p re s sure c oola nt c a pa bilit y
LF LF
WF


WF


B
B


LH 5/16”-24UNF LH
5.3
5.3


5/16”-24UNF
HF


HF
H


H
1

6
1 L3
L3 Fig. 1 Fig. 2
HBH
HBH


Grooving
Right hand (R) shown.
Designation H B LF LH L3 HF WF HBH Fig. Insert Torque*
STCR/L1212F18-CHP 12 12 85 18.5 17.5 12 0 /12 4 2 TC*18... 1.2
STCR/L1212X18-CHP (1) 12 12 120 18.5 17.5 12 0 /12 4 1 TC*18... 1.2
STCR/L1616X18-CHP (1) 16 16 120 18.5 - 16 0 /16 0 1 TC*18... 1.2
This toolholder can be used with threading and grooving inserts.


7
Use right-hand toolholders (R) with right-hand inserts (R); and left-hand toolholders (L) with left-hand inserts (L)
Endmill
(1) Compatible to the direct internal coolant supply system without the use of external coolant hose.
*Torque: Recommended clamping torque (N∙m)

SPARE PARTS
Designation Clamping screw Wrench
STCL**18-CHP CSTC-4L100DR T-1008/5 Groove width : 0.33 ~ 3 mm
STCR**18-CHP CSTC-4L100DL T-1008 /5
Pitch : 0.8 ~ 3 mm


8
Drilling Tool
Technical Reference


Reference pages: Inserts → 5-4, Standard cutting conditions → 5-25
9
Parts for coolant hose → 3-61
5-15