SEC-External Holders 100˚ MTJN Type / MTXN Type 93° MTJN –5˚ SEC- M Type General turning and profiling WF B Tool Holders Clamp-on + Pin Lock General Turning & Profiling 9L3H˚ –6˚ LF ■ Spare Parts H HF Note: This figure shows right handed tools. C ■ Holder Dimensions (mm) Conventional Stock Height Width Total Cutting Cutting Head Applicable inserts Not of Snap Wrenches Wrenches Cat. No. length edge edge height Wedge Pin Shim Bolt Nm Holders External 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 From MP317S ** 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 TN 2204 From MMW40 MP420 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. 10˚ Inserts Negative MTXN WF B SEC- M Type General turning and profiling 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) Conventional Stock Height Width Total Cutting Cutting Head Applicable inserts Not of Snap Wrenches Wrenches R Cat. No. length edge edge height 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 TN 1604 From MMW30 MP317S 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. 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 T ● Also see the insert selection guide (from page A8). Legend Name of chipbreaker / GU 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 W T1500Z AC810P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC405K AC405K DA1000 BNC2010 BN1000 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 From A8 From A12 From A14 From A20 From A18 cutting conditions BNC500 is for ductile iron cast. N m Recommended tightning torque (N・m) C29