PART SERIES SERIES 12Y1H (12MM) PINADRETXSAEBRLIESTHREAD MILLS aIpnpt.liTcahtrieoand1 aEpxptl.icTahtrioenad2 apCploicoaltaionnt 3 application 4 application 5 application 6 application 7 D3 D1 D2 a L2 L1 L1 L2 D2 Overall Extension No. of Cutter Number a D1 Shank D3 Length Length Flutes 12Y1H-0301384R01 0.472 0.370 0.750 0.300 3.350 0.550 1 12Y1H-0301384R02 0.472 0.390 0.750 0.300 3.350 0.630 1 Operating guidelines on page 700. 558