Here are the DCMT21.5_Inserts in Stock at Hill:

Insert Radius: The last number of the insert description designates the Radius (for example DCMT21.51 is a .015" Radius), Here is a quick cheat sheet:

 0.5=.008" Radius

1=.015" Radius

2=.031" Radius

DCMT2151UG YG3020 / DCMT070204UG YG3020 TURNING POSITIVE INSERT + Quick Shop