*Astra Coated* Bits&Bits SRB4-500 – 1/2″ General Purpose 4 Flute Ball End Mill

1/2 x 3” Solid Carbide Ball Nose End, 4 Flute Mill with a .500 (1/2″) cutting tip and a 1 inch length of cut. 4 flute carbide end mills allow for higher feed and produce excellent surface finish on the part, these 4 flute end mills work best on cutting hardened and high alloy steels, steel casting, chill casting, malleable cast iron, CrNi steels, brass, copper. These tools are coated with our proprietary high performance coating allows higher speed & feed rates as well as extended tool life & increased lubricity.  Made in the USA