82270W
https://www.vfoverride.com/shop/82270w-238552
https://www.vfoverride.com/web/image/product.template/238552/image_1920?unique=be4295a
4 FL - Square - 0.5000" (1/2) Cutter DIA x 0.5000" (1/2) Shank DIA x 0.6250" (5/8) LOC x 2.5000" (2-1/2) OAL - TPLUS Coated