D1 L1 L2 SERIES 1DE1H (TOP•ON STYLE)ØD ap L1 BUTTON ENDMILL WITH 8-16 INDEXES L Ramping Corkscrew Pocket Facing Contour Coolant L1 D1 T1 L1 T1 D1 Extension Thread Number Cutter Number Nom. Dia. Length Size of Inserts 1DE1H-12015X8R01 1.250 1.500 M16 3 1DE1H-15015X8R01 1.500 1.500 M16 4 Operating Guidelines on page 98. 69