Carbide drills I Thread cutting tools 2022

www.fraisa.com 358 Material Application NPT P(TPI) d [mm] P [mm] v c [m/min] n [min -1 ] v f [mm/min] 1/16 -27.0 6.250 0.941 8 405 381 1/8 -27.0 8.500 0.941 8 300 282 1/4 -18.0 11.100 1.411 8 230 325 3/8 -18.0 14.700 1.411 8 175 247 1/2 -14.0 18.000 1.814 8 140 254 Steel <500N/mm² 1/16 -27.0 6.250 0.941 6 305 287 1/8 -27.0 8.500 0.941 6 225 212 1/4 -18.0 11.100 1.411 6 170 240 3/8 -18.0 14.700 1.411 6 130 183 1/2 -14.0 18.000 1.814 6 105 191 Steel 500 - 850N/mm² 1/16 -27.0 6.250 0.941 5 255 240 1/8 -27.0 8.500 0.941 5 185 174 1/4 -18.0 11.100 1.411 5 145 205 3/8 -18.0 14.700 1.411 5 110 155 1/2 -14.0 18.000 1.814 5 90 163 Steel 850 - 1100N/mm² 1/16 -27.0 6.250 0.941 10 510 480 1/8 -27.0 8.500 0.941 10 375 353 1/4 -18.0 11.100 1.411 10 285 402 3/8 -18.0 14.700 1.411 10 215 303 1/2 -14.0 18.000 1.814 10 175 318 Wrought aluminiumalloys Si <6% hardened 1/16 -27.0 6.250 0.941 6 305 287 1/8 -27.0 8.500 0.941 6 225 212 1/4 -18.0 11.100 1.411 6 170 240 3/8 -18.0 14.700 1.411 6 130 183 1/2 -14.0 18.000 1.814 6 105 191 Cast iron GG

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