SERIES 46Y_UN_RM, 47Y_UN_RM SOLID CARBIDE THREAD MILLS - SMALL DIAMETER, SHORT, 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-80UNR6RM040 IN2005 80 - 0 .250" Cylindrical 0.045 3 0.160 2.5 46Y-72UNR6RM040 IN2005 72 - 1 .250" Cylindrical 0.057 3 0.150 2.5 46Y-64UNR6RM040 IN2005 64 1 2 .250" Cylindrical 0.055 3 0.150 2.5 46Y-56UNR6RM040 IN2005 56 2 3 .250" Cylindrical 0.065 3 0.170 2.5 46Y-48UNR6RM050 IN2005 48 3 4 .250" Cylindrical 0.075 3 0.200 2.5 46Y-40UNR6RM060 IN2005 40 4 - .250" Cylindrical 0.083 3 0.250 2.5 46Y-40UNR6RM070 IN2005 40 5 6 .250" Cylindrical 0.096 3 0.280 2.5 46Y-40UNR6RM100 IN2005 40 5 6 .250" Cylindrical 0.096 3 0.380 2.5 46Y-36UNR6RM090 IN2005 36 - 8 .250" Cylindrical 0.130 3 0.350 2.5 46Y-32UNR6RM070 IN2005 32 6 - .250" Cylindrical 0.100 3 0.280 2.5 46Y-32UNR6RM090 IN2005 32 8 - .250" Cylindrical 0.126 3 0.370 2.5 46Y-32UNR6RM100 IN2005 32 - 10 .250" Cylindrical 0.146 3 0.410 2.5 46Y-32UNR6RM120 IN2005 32 8 - .312" Cylindrical 0.126 3 0.490 2.5 46Y-32UNR6RM150 IN2005 32 - 10 .312" Cylindrical 0.146 3 0.590 2.5 46Y-28UNR6RM110 IN2005 28 - 12 .250" Cylindrical 0.165 3 0.430 2.5 46Y-28UNR6RM140 IN2005 28 - 1/4 .250" Cylindrical 0.197 3 0.570 2.5 46Y-28UNR6RM190 IN2005 28 - 1/4 .375" Cylindrical 0.197 3 0.750 2.5 46Y-24UNR6RM110 IN2005 24 10, 12 - .250" Cylindrical 0.138 3 0.420 2.5 46Y-24UNR7RM170 IN2005 24 - 5/16 .250" Cylindrical 0.260 3 0.670 2.5 46Y-24UNR7RM160 IN2005 24 - 5/16 .500" Cylindrical 0.260 3 0.940 2.5 46Y-20UNR6RM140 IN2005 20 1/4 - .250" Cylindrical 0.187 3 0.550 2.5 46Y-20UNR6RM190 IN2005 20 1/4 - .500" Cylindrical 0.187 3 0.750 2.5 46Y-18UNR6RM170 IN2005 18 5/16 - .250" Cylindrical 0.236 3 0.670 2.5 46Y-18UNR6RM230 IN2005 18 5/16 - .625" Cylindrical 0.236 3 0.910 2.5 46Y-16UNR7RM220 IN2005 16 3/8 - .250" Cylindrical 0.264 3 0.870 2.5 46Y-14UNR7RM250 IN2005 14 7/16 - .250" Cylindrical 0.303 3 0.980 2.5 46Y-13UNR8RM270 IN2005 13 1/2 - .250" Cylindrical 0.362 3 1.080 3 46Y-12UNS4RM310 IN2005 12 9/16 - .250" Cylindrical 0.413 3 1.240 3.5 46Y-11UNS4RM350 IN2005 11 5/8 - .250" Cylindrical 0.449 3 1.360 3.5 47Y-10UNS6RM410 IN2005 10 3/4 - .312" Cylindrical 0.567 4 1.630 4 Operating guidelines on page 704. 552