SEC- Modular Tools ■ BBT Integrated Type (BIG-PLUSTM) - Special Arbor for SEC-Modular Tools LF L6 LBX L7 ø46 DCB BD CRKS ■ BBT Integrated Arbor Dimension (mm) Cat. No. Stock Screw Hole Size External Diameter Body Overhang Length Screw Depth Overhang Coolant Hole CRKS DCB BD L6 LBX L7 LF* BBT30-M8-50 D M8 8.5 15.9 73 50 18 98 Yes M10-45 D M10 10.5 19.9 68 45 20 98 Yes M12-40 D M12 12.5 24.9 63 40 22 98 Yes M16-35 D M16 17 31.9 58 35 24 98 Yes * LF is the amount of overhang when the head is attached. * BIG-PLUSTM is a trademark of BIG DAISHOWA SEIKI CO., LTD. * Can also be used with BT30 spindle machines. ■ SEC-Modular Tools Special Arbors (Carbide Arbors/Steel Arbors) CRKS Carbide Arbors DCB DMM h7 H L4 Modular L5 Tools Steel Arbors LF2 ■ Carbide Arbors Dimension (mm) ■ Stock Listings (Steel Arbors) Dimension (mm) Shoulder Milling Cat. No. Stock Screw Hole Size Shank Total Length Depth Screw Depth Overhang Cat. No. Stock Screw Hole Size Shank Total Length Depth Screw Depth Overhang High Feed CRKS DCB DMM LF2 L4 L5 LF * CRKS DCB DMM LF2 L4 L5 LF * MA15M08L120C D M8 8.5 15 120 10 18 145 MA16M08L120S D M8 8.5 16 120 10 18 145 Multi-Purpose 15M08L160C D M8 8.5 15 160 10 18 185 20M10L150S D M10 10.5 20 150 10 20 180 Radius 16M08L120C D M8 8.5 16 120 10 18 145 25M12L200S D M12 12.5 25 200 10 22 235 Groove/ 16M08L160C D M8 8.5 16 160 10 18 185 32M16L200S D M16 17.0 32 200 10 24 240 T-Slot MA18M10L150C D M10 10.5 18 150 10 20 180 Chamfering 18M10L200C D M10 10.5 18 200 10 20 230 ■ Endmill Identification 20M10L150C D M10 10.5 20 150 10 20 180 MA 15 M08 L120 C 20M10L200C D M10 10.5 20 200 10 20 230 MA23M12L200C D M12 12.5 23 200 10 22 235 (1) (2) (3) (4) (5) 23M12L250C D M12 12.5 23 250 10 22 285 Cutter Series Shank Diameter Mounting Screw Size Arbor Length Materials ( CS:: CSatereblide 25M12L200C D M12 12.5 25 200 10 22 235 25M12L250C D M12 12.5 25 250 10 22 285 ■ Recommended Tightening Torque (N・m) MA28M16L200C D M16 17.0 28 200 10 24 240 28M16L300C D M16 17.0 28 300 10 24 340 *Notes about tightening the head. 32M16L200C D M16 17.0 32 200 10 24 240 · When attaching the head to an arbor, follow the standard tightening torque in the table below. 32M16L300C D M16 17.0 32 300 10 24 340 · Check the mounting screw size for the head and arbor beforehand. Screw Size Torque (N·m) ● Set Dimensions (*) M8 23 M10 46 M12 60 M16 80 LF (Dimensions of Head + Arbor) H149