SERIES 46Y_UN, 47Y_UN SOLID CARBIDE THREAD MILLS - INTERNAL THREAD MILLS FOR UN THREAD Int. Thread P P P/4 D2 D1 L1 15ºL2 60º P/8 P L1 L2 Pitch Shank D2 No. of Extension Overall Cutter Number (TPI) UNC UNF UNEF Style/Size Thread Flutes Length Length 46Y-40UNR6RA060 IN2005 40 5 NA - .250" Cylindrical 0.098 3 0.240 2.5 46Y-32UNR6RA060 IN2005 32 8 10 12 .250" Cylindrical 0.126 3 0.270 2.5 46Y-28UNR6RA100 IN2005 28 - 1/4 - .250" Cylindrical 0.157 3 0.450 2.5 46Y-28UNR6RA140 IN2005 28 - - 7/16-1/2 .250" Cylindrical 0.236 3 0.570 2.5 46Y-24UNR6RA150 IN2005 24 - 5/16-3/8 - .250" Cylindrical 0.197 3 0.560 2.5 46Y-24UNR7RA200 IN2005 24 - NA 9/16-5/8 .312" Cylindrical 0.276 3 0.810 2.5 46Y-20UNR6RA120 IN2005 20 1/4 - - .250" Cylindrical 0.177 3 0.480 2.5 46Y-20UNR7RA200 IN2005 20 - 7/16-1/2 - .312" Cylindrical 0.276 3 0.830 2.5 47Y-20UNS4RA280 IN2005 20 - - 3/4-1 .500" Cylindrical 0.472 5 1.080 3.5 46Y-18UNR6RA150 IN2005 18 5/16 - - .250" Cylindrical 0.197 3 0.580 2.5 47Y-18UNR8RA250 IN2005 18 - 9/16-5/8 11/8-15/8 .375" Cylindrical 0.375 4 1.030 3 46Y-16UNR6RA180 IN2005 16 3/8 - - .250" Cylindrical 0.236 3 0.660 2.5 47Y-16UNS4RA300 IN2005 16 - 3/4 - .500" Cylindrical 0.472 4 1.220 3.5 46Y-14UNR7RA200 IN2005 14 7/16 - - .312" Cylindrical 0.276 3 0.820 2.5 47Y-14UNS6RA380 IN2005 14 - 7/8 - .625" Cylindrical 0.591 5 1.460 4 46Y-13UNR7RA230 IN2005 13 1/2 - - .312" Cylindrical 0.313 3 0.880 2.5 46Y-12UNR8RA250 IN2005 12 9/16 - - .375" Cylindrical 0.375 3 1.040 3 47Y-12UNS6RA410 IN2005 12 - 1-11/2 - .625" Cylindrical 0.625 5 1.630 4 46Y-11UNR8RA270 IN2005 11 5/8 - - .375" Cylindrical 0.375 3 1.140 3 46Y-10UNS4RA350 IN2005 10 3/4 - - .500" Cylindrical 0.472 3 1.350 3.5 46Y-09UNS6RA380 IN2005 09 7/8 - - .625" Cylindrical 0.591 3 1.500 4 46Y-08UNS6RA430 IN2005 08 1 - - .625" Cylindrical 0.625 3 1.690 4 47Y-07UNS7RA450 IN2005 07 11/8-11/4 - - .750" Cylindrical 0.750 4 1.780 4 Operating guidelines on page 704. 548