® Mill - Thread Toolholders Long Shank Toolholders Insert Torx Ordering Code A D D1 L Screw Key SR0025K21 21 25 20 125 S21 K21 SR0031M30 30 31 25 150 S30 K30 SR0038M30 30 38 32 150 S30 K30 SR0048R40 40 48 40 210 S40 K40 Order example: SR0031M30 For holders with long overhang reduce the cutting speed and feed rate between 20% to 40% (depends on workpiece material, pitch and overhang) Twin Insert Toolholders No. of Insert Torx Ordering Code A D D1 D2 L L1 Inserts Screw Key SR0020H14-2 14 20 20 16 93 41 2 S14 K14 SR0030J21-2 21 30 25 24 108 52 2 S21 K21 SR0040L30-2 30 40 32 30 130 70 2 S30 K30 SR0050M40-2 40 50 40 38 153 78 2 S40 K40 Order example: SR0040L30-2 B02-4