Indexable Ball Nose End Mills - MSC Industrial Supply
5/16" Cut Diam, 1/2" Shank Diam, 5" OAL, Indexable Ball Nose End Mill 1.906" Head Length, Straight Shank, TBN Toolholder, TBNR 312, TBRR 312 Insert. MSC# 68464957 Tool-Flo (TBNS50050WT312) Ships from Mfr. within 1 business day. Price: $213.24.