DRILLCO - 7/8,FOUR FLUTE SINGLE END END-MILL 1/2" - 51A156B

The multi-flute end mill has a better finishing capability than a 2-flute end mill. At any given instance, at least one and often two of the teeth are solidly in the cut. The cutting action is smoother than that of the 2-flute end mill, with less chatter.
Made with premium grade HSS to last longer
Non-center cutting tip means that this tool can only be used for side milling
Multiple flutes (4 or 6) produce a better surface finish and less chatter
Bright finish for added lubricity
Round shank with 1 flat for secure attachement
Made in USA