
SEC-External Holders 93° 100˚ MTJN Type / MTXN Type –5˚ General turning and profiling MTJN SEC- M Type Tool Holders WF B General Turning Clamp-on + Pin Lock & Profiling ˚ 93 LH –6˚ LF ■ Spare Parts H HF Note: This figure shows right handed tools. ■ Holder Dimensions (mm) Total Cutting Cutting Stock Height Width length C Conventional edge edge height Head Applicable inserts Not of Snap Wrenches Wrenches External Holders Cat. No. Wedge Pin Shim Bolt Nm Cat. No. R L H B LF WF HF LH Cat. No. Page metal Ring for bolt for nut * MTJN R/L2020K16 MTJN R/L2020-33 ● ● 20 20 125 25 20 32 MP317S From ** MTJN R/L2520M16 MTJN R/L2520-33 25 20 150 25 25 32 TN 1604 B56 MMW30 MP320S STW323 BHA0525 4.0 CPM32N ER04 LH030 LH030 ** MTJN R/L2525M16 MTJN R/L2525-33 ● ● 25 25 150 32 25 32 MP320S MTJN R/L2525M22 MTJN R/L2525-43 ● ● 25 25 150 32 25 38 From MP420 TN 2204 MMW40 STW434 BHA0625 4.5 CPM43N ER05 LH040 LH030 MTJN R/L3225P22 MTJN R/L3225-43 ● ● 32 25 170 32 32 38 B61 MP420 When using a CIS standard insert for the holder marked with an asterisk (*) or double asterisk (**), the pin Cat. No. for the insert marked with an asterisk is [MP317], and [MP320] for the insert marked with a double asterisk. Negative Inserts 10˚ General turning and profiling MTXN M Type WF SEC- B General Turning Tool Holders Clamp-on + Pin Lock & Facing LH C LF H ■ Spare Parts -7 ˚ D HF This figure shows right handed tools. ■ Holder Dimensions (mm) Total Cutting Cutting Stock Height Width length R Conventional edge edge height Head Applicable inserts Not of Snap Wrenches Wrenches Cat. No. Wedge Pin Shim Bolt Nm Cat. No. R L H B LF WF HF LH Cat. No. Page metal Ring for bolt for nut * MTXN R/L2020K16 MTXN R/L2020-33 ● ● 20 20 125 25 20 32 From MP317S TN 1604 MMW30 STW323 BHA0525 4.0 CPM32N ER04 LH030 LH030 ** MTXN R/L2525M16 MTXN R/L2525-33 ● ● 25 25 150 32 25 32 B56 MP320S S ** MTXN R/L2525M22 MTXN R/L2525-43 ● ● 25 25 150 32 25 38 TN 2204 From B61 MMW40 MP420 STW434 BHA0625 4.5 CPM43N ER05 LH040 LH030 When using a CIS standard insert for the holder marked with an asterisk (*) or double asterisk (**), the pin Cat. No. for the insert marked with an asterisk is [MP317], and [MP320] for the insert marked with a double asterisk. Note: When using a handed chipbreaker insert for facing, the holder and insert are oppositely handed. T Applicable inserts DTGN Type / DTFN Type / PTGN Type / PTTN Type / PTFN Type / ETGN Type / ETAN Type / ETFN Type / ETEN Type / ETXN Type / MTJN Type / MTXN Type ● Also see the insert selection guide (from page A8). Name of chipbreaker / GU Legend 1st Recommended CBN/PCD Inserts ● Depending on the size, there are some combinations that cannot be produced or not available in order-to-made production. Shape photography Grade AC8025P V Cutting range P (steel) M (stainless steel) K (cast iron) N (non-ferrous metal) H (hardened steel) Cutting state Finishing Medium cutting Rough cutting Finishing Medium cutting Rough cutting High-speed finishing Finishing–Medium cutting Medium–Rough cutting – Coated Non-coated SU GU MU EF EG EM SUMIBORON UZ GZ SUMIDIA SUMIBORON SUMIBORON Continuous cut T1500Z AC810P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC405K AC405K DA1000 BNC2010 BN1000 W SU GU MU EF EG EM SUMIBORON GZ GZ SUMIDIA SUMIBORON SUMIBORON General cut AC810P AC8025P AC8025P AC6030M AC6030M AC6040M BN7000/BNC500 AC415K AC415K DA1000 BNC2020 BN2000 SX UX MX EF EG EM SUMIBORON GZ Without breaker SUMIDIA SUMIBORON SUMIBORON Interrupted cut AC8025P AC830P AC830P AC6030M AC6040M AC6040M BN7000/BNC500 AC420K AC420K DA1000 BNC300 BN350 Recommended cutting conditions From A8 From A12 From A14 From A20 From A18 BNC500 is for ductile iron cast. N m Recommended tightning torque (N・m) C29