8 minus -4 for sale, brand-new and used.

Spiral flute keyway style end mills are designed to cut to size and have a minus tolerance. By lifting the chips they can mill deeper keyway channels. Keyway end mills for close tolerance keyway milling: Minus tolerance +.000 to -.0015 YOU COULD FACE OR SIDE MILL WITH THESE AS WELL END MILL DOES NOT KNOW THE DIFFERENCE HIGH SPEED END MILL CONDITION = NEW HIGH SPEED END MILL MANUFACTURER = MELIN {USA} HIGH SPEED END MILL DIAMETER = 1" {.9062"} HIGH SPEED END M

Spiral flute keyway style end mills are designed to cut to size and have a minus tolerance. By lifting the chips they can mill deeper keyway channels. Keyway end mills for close tolerance keyway milling: Minus tolerance +.000 to -.0015 YOU COULD FACE OR SIDE MILL WITH THESE AS WELL END MILL DOES NOT KNOW THE DIFFERENCE HIGH SPEED END MILL CONDITION = NEW HIGH SPEED END MILL MANUFACTURER = MELIN {USA} HIGH SPEED END MILL DIAMETER = 15/16" {.8125"} HIGH SPEED E