9 J280 Solid Carbide Thread Mill, G(BSP) 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. Alcrona Pro coated for the best machining result in a wide range of materials. Suited for producing internal and external threads. 1.5×D l 10° R Alcrona Pro DIN 6535HA 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 309. 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 M1.2 190 N 212 N 242 N 163 N 143 N 127 N 146 N 118 N 99 N 87 N 74 N 61 N 69 N 58 N 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 61 N 50 N 42 N 52 M 44 M 40 M 33 M 29 M 143 N 106 N 80 N 136 N 110 N 88 N 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 N1.3 120 N 91 N 74 N 111 M 84 M 62 M 53 M 44 M 126 N 95 N 76 N 440 O 330 O 220 O 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 S2.2 288 O 259 O 187 O 671 O 396 O 198 O 319 O 160 O 72 O 44 M 44 M 33 M 36 M 28 M S3.1 S3.2 S4.1 S4.2 H1.1 H3.1 28 M 23 M 22 M 18 M 66 M 48 M Internal and External Thread. Product TDZ TPI DC APMX OAL DCON MS NOF [mm] [mm] [mm] [mm] J2806.0-28 1/8 28 6.00 15.00 57.0 6.00 3 J28010.0-19 1/4 19 10.00 20.00 72.0 10.00 4 J28014.0-19 3/8 19 14.00 26.00 83.0 14.00 5 J28016.0-14 1/2. 5/8 14 16.00 30.00 92.0 16.00 5 J28020.0-14 5/8. 3/4. 7/8 14 20.00 35.00 104.0 20.00 5 J28025.0-11 1’’. 3’’ 11 25.00 45.00 121.0 25.00 6 307