9 J245 Solid Carbide Thread Mill with Through Coolant, UNF Universal high performance tool to machine same or bigger diameters than the TDZ with the same pitch. Left or right-hand, through or blind holes almost down to the bottom. With Alcrona Pro coated for the best machining result and through coolant for better chip evacuation. 2×D l 10° R Alcrona Pro Workpiece material group suitability, starting values for cutting speed (m/min) and Alpha Code. Tables with feed per tooth and correction factors can be found starting from page XY. P1.1 P1.2 P1.3 P2.1 P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 P4.3 M1.1 M1.2 181 K 203 K 210 K 156 K 137 K 121 K 140 K 112 K 95 K 83 K 70 K 58 K 65 K 55 K M2.1 M2.2 M2.3 M3.1 M3.2 M3.3 M4.1 M4.2 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 58 K 47 K 40 K 50 J 42 J 38 J 32 J 27 J 137 K 101 K 76 K 129 K 105 K 84 K K3.1 K3.2 K3.3 K4.1 K4.2 K4.3 K4.4 K4.5 K5.1 K5.2 K5.3 N1.1 N1.2 N1.3 115 K 87 K 71 K 106 J 80 J 59 J 51 J 42 J 120 K 90 K 70 K 420 L 315 L 210 L N2.1 N2.2 N2.3 N3.1 N3.2 N3.3 N4.1 N4.2 N4.3 S1.1 S1.2 S1.3 S2.1 S2.2 275 L 247 L 179 L 640 L 378 L 189 L 305 L 153 L 69 L 42 J 42 J 32 J 35 J 26 J S3.1 S3.2 S4.1 S4.2 H1.1 H3.1 26 J 22 J 21 J 17 J 63 J 45 J Internal Thread. Product TDZ TPI DC APMX OAL DCON MS NOF [mm] [mm] [mm] [mm] J2454.8-28 1/4 28 4.80 14.00 57.0 6.00 3 J2456.0-24 5/16. 3/8 24 6.00 14.00 57.0 6.00 3 J2458.0-20 7/16. 1/2 20 8.00 19.00 63.0 8.00 4 J24510.0-18 9/16. 5/8 18 10.00 22.00 72.0 10.00 4 J24514.0-16 3/4 16 14.00 32.00 83.0 14.00 5 306