Page 312 - Carbide drills I Thread cutting tools 2023

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Application Material G [mm] [mm] 1.5 x d [min -1 ] [100%] 2.0 x d [min -1 ] [100%] 3.0 x d [min -1 ] [100%]
Stainless steel G 1/8 9.728 0.907 12 395 358 10 325 295 8 260 236
ferritc/martensitic G 1/4 13.157 1.337 12 290 388 10 240 321 8 195 261
G 3/8 16.662 1.337 12 230 308 10 190 254 8 155 207
G 1/2 20.955 1.814 12 180 327 10 150 272 8 120 218
Stainless steel G 1/8 9.728 0.907 7 230 209 5 165 150 4 130 118
[Cr-Ni/1.4301] G 1/4 13.157 1.337 7 170 227 5 120 160 4 95 127
G 3/8 16.662 1.337 7 135 181 5 95 127 4 75 100
G 1/2 20.955 1.814 7 105 191 5 75 136 4 60 109
Stainless steel G 1/8 9.728 0.907 8 260 236 6 195 177 5 165 150
[Cr-Ni-Mo-.../1.4571] G 1/4 13.157 1.337 8 195 261 6 145 194 5 120 160
G 3/8 16.662 1.337 8 155 207 6 115 154 5 95 127
G 1/2 20.955 1.814 8 120 218 6 90 163 5 75 136

Heat resistant steel G 1/8 9.728 0.907 5 165 150 4 130 118 3 100 91
[17-4 PH] G 1/4 13.157 1.337 5 120 160 4 95 127 3 75 100
G 3/8 16.662 1.337 5 95 127 4 75 100 3 55 74
G 1/2 20.955 1.814 5 75 136 4 60 109 3 45 82

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