
1 S E R -X- C H P- M C Grade S c rew- o n ex te r n a l th re a d i n g to o l h o l d e r s- H i g h - p re s s u re c o o l a n t c a p a b i l i t y w i th tu b e a n d d i re c t c o n n e c ti o n LF WF B LH L5 2 Insert HF H Right hand (R) shown. Designation H B LF LH HF WF L5 Insert SER2020X16-CHP-MC 20 20 107 36 20 25 27.9 16ER… SPARE PARTS Ext. Toolholder 3 Designation Clamping screw Wrench Shim screw Shim Coolant unit Coolant plug Wrench SER**X16-CHP-MC CSTB-3.5ST T-15F DTS5-3.5 A16-1DT CU-V-CHP PLUGG1/8-6.5TL360 P-3.5 CER/L Clam p - on ex te r n a l t h re a d i n g to o l h o l d e r (a l te rna t iv e c la mping of sc re w - on or c la mp- on only for DT type) Int. Toolholder 4 LF WF LH B 10° HF H Right hand (R) shown. 5 Threading Designation H B LF LH HF WF Insert CER/L1212H16DT 12 12 100 24 12 16 16ER/L... CER/L1616H16DT 16 16 100 24 16 20 16ER/L... CER/L2020K16DT 20 20 125 24 20 25 16ER/L... A clamp set consists of a clamp and a clamping screw. A shim set consists of a shim and a shim screw to secure the shim to the shank. Standard shims can be used on both right- and left-hand toolholders. Please use either of the sides depending on the tool hand. When using DT type, please remove either the clamp set or the insert clamping screw. 6 SPARE PARTS Grooving Designation Clamp set Clamping screw Shim screw Shim Wrench 1 Wrench 2 CER/L**16DT CSP16 CSTB-3.5ST DTS5-3.5 A16-1DT P-3.5 T-15F JS-SEL16 E xte r n al th read in g to o l h o l d e r wi t h ro u n d s h a nk 7 Endmill 1° DCON WF H LH LF 8 Drilling Tool Right hand (R) shown. Designation DCON H LF LH WF Insert JS16F-SEL16 16 15 85 25 11 16ER... JS19G-SEL16 19.05 18 90 30 12.5 16ER... JS19X-SEL16 19.05 18 120 30 12.5 16ER... JS20G-SEL16 20 19 90 30 13 16ER... JS20X-SEL16 20 19 120 30 13 16ER... Technical Reference JS25HSEL16 25 24 100 30 15.5 16ER... 9 JS254X-SEL16 25.4 24 120 30 15.7 16ER... Use left-hand toolholders (L) with right-hand inserts (R). SPARE PARTS Designation Clamping screw Wrench JS***-SEL16 CSTB-3.5 T-15F Reference pages: Inserts → 5-7 - 5-14, Standard cutting conditions → 5-25 5-21