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milling cutters querry

liam.mccaffrey - 5/10/06 at 08:24 AM

i have aquired a bunch of brand new milling cutters. There are 2 types 2 flute and 4 flute

can anyone confirm that the 2 flute ones are slot drils and the 4 flute ones are end mills?

mitch2b - 5/10/06 at 08:34 AM

Basically yes, the two slot ones will over lap on the bottom to enable you to plunge down and drill holes to, the four slots can only cut on there sides, as the flutes dont overlap the centre on the base.

HTH
Mitch

mcerd1 - 5/10/06 at 09:16 AM

quote:
Originally posted by mitch2b
Basically yes, the two slot ones will over lap on the bottom to enable you to plunge down and drill holes to, the four slots can only cut on there sides, as the flutes dont overlap the centre on the base.

HTH
Mitch

If the ones with two don't overlap then they are end mills too

liam.mccaffrey - 5/10/06 at 09:23 AM

thats not a straighforward question. I will post a comparison picture tonight to show why

cheers

Hellfire - 5/10/06 at 01:57 PM

If it has one or a number of cutting edge across it's centre it's a "Drill" either 2, 3, 4.

If it hasn't it's a "Mill" that are manufactured in 3 - 20 or more flutes... and are not for centre cutting/plunging.

Steve