PART SERIES SERIES 12Y1S_D (30MM) PINADRETXSAEBRLIESTHREAD MILLS - SHELL MILL aIpnpt.liTcahtrieoand1 aEpxptl.icTahtrioenad2 application 3 application 4 application 5 application 6 application 7 D2 L1 a D1 D2 L1 No. of Cutter Number a D1 Pilot Height Flutes 12Y1S-24019D1R01 1.181 2.480 0.750 1.970 4 12Y1S-31021D3R01 1.181 3.150 1.000 2.160 4 12Y1S-39025D4R01 1.181 3.940 1.250 2.560 4 Operating guidelines on page 700. 574