SERIES 46Y_UN_LM SOLID CARBIDE THREAD MILLS - SMALL DIAMETER, SHORT, LEFT-HAND, UN PROFILE, 2XD AND 3XD Int. Thread Ext. Thread P P P/4 D2 D1 L1 L2 60º P/8 P L1 L2 Pitch Shank D2 No. of Extension Overall Cutter Number (TPI) UNC UNF Style/Size Thread Flutes Length Length 46Y-72UNR6LM040 IN2006 72 - 1 .250" Cylindrical 0.057 3 0.150 2.5 46Y-64UNR6LM040 IN2006 64 1 2 .250" Cylindrical 0.055 3 0.150 2.5 46Y-56UNR6LM040 IN2006 56 2 3 .250" Cylindrical 0.065 3 0.170 2.5 46Y-48UNR6LM050 IN2006 48 3 4 .250" Cylindrical 0.075 3 0.200 2.5 46Y-40UNR6LM060 IN2006 40 4 - .250" Cylindrical 0.083 3 0.250 2.5 46Y-40UNR6LM070 IN2006 40 5 6 .250" Cylindrical 0.096 3 0.280 2.5 46Y-40UNR6LM100 IN2006 40 5 6 .250" Cylindrical 0.096 3 0.380 2.5 46Y-36UNR6LM090 IN2006 36 - 8 .250" Cylindrical 0.130 3 0.350 2.5 46Y-32UNR6LM070 IN2006 32 6 - .250" Cylindrical 0.100 3 0.280 2.5 46Y-32UNR6LM090 IN2006 32 8 - .250" Cylindrical 0.126 3 0.370 2.5 46Y-32UNR6LM100 IN2006 32 - 10 .250" Cylindrical 0.146 3 0.410 2.5 46Y-32UNR6LM120 IN2006 32 8 - .312" Cylindrical 0.126 3 0.490 2.5 46Y-32UNR6LM150 IN2006 32 - 10 .250" Cylindrical 0.146 3 0.590 2.5 46Y-28UNR6LM110 IN2006 28 - 12 .250" Cylindrical 0.165 3 0.430 2.5 46Y-28UNR6LM140 IN2006 28 - 1/4 .250" Cylindrical 0.197 3 0.570 2.5 46Y-28UNR6LM190 IN2006 28 - 1/4 .250" Cylindrical 0.197 3 0.750 2.5 46Y-24UNR6LM110 IN2006 24 10, 12 - .250" Cylindrical 0.138 3 0.420 2.5 46Y-24UNR7LM170 IN2006 24 - 5/16 .250" Cylindrical 0.260 3 0.670 2.5 46Y-24UNR7LM240 IN2006 24 - 5/16 .312" Cylindrical 0.260 3 0.940 2.5 46Y-20UNR6LM140 IN2006 20 1/4 - .250" Cylindrical 0.187 3 0.550 2.5 46Y-20UNR6LM190 IN2006 20 1/4 - .312" Cylindrical 0.187 3 0.750 2.5 46Y-18UNR6LM170 IN2006 18 5/16 - .250" Cylindrical 0.236 3 0.670 2.5 46Y-18UNR6LM230 IN2006 18 5/16 - .375" Cylindrical 0.236 3 0.910 2.5 46Y-16UNR7LM220 IN2006 16 3/8 - .250" Cylindrical 0.264 3 0.870 2.5 46Y-14UNR7LM250 IN2006 14 7/16 - .250" Cylindrical 0.303 3 0.980 2.5 46Y-13UNR8LM270 IN2006 13 1/2 - .250" Cylindrical 0.362 3 1.080 3 Operating guidelines on page 704. 554