A positive-displacement pump based on two interleaved spirals (one fixed, one orbiting) that compress gas without lubricants in the pumped volume. It is used in industrial, medical, and laboratory applications, often as a backing/primary pump for vacuum systems.
1195A
5-flute end mill with irregular spacing and extra-long cutting edge 5xD
1193A
5-flute end mill with irregular spacing and long cutting edge 3xD
1126
3-flute end mill with differential helix and lubrication holes
1125
3-flute end mill with differential helix
0016
3-flute roughing end mill, extra-long series with chip breaker
0015
3-flute roughing end mill, standard series with chip breaker
1292
5-flute end mill with irregular spacing, 2xD cutting edge, and 4xD long neck
1195
5 flute end mill 5xD with unequal flute spacing for dynamic milling
1194
5 flute end mill 4xD with unequal flute spacing for dynamic milling
1193
5 flute end mill 3xD with unequal flute spacing for dynamic milling
1192
5 flute end mill 2xD with unequal flute spacing for dynamic milling
125
Finishing end mill, long version
