U drill with indexable 2 carbide inserts WCMX040208-ST1040 & Extra 4 inserts Oerlikon Balzers Coating U drill 15"x3"x6", 1" dia. shank, indexable WCMX04 inserts #UD-1516 & Extra 4 inserts 15/16" flute diameter; 3" flute length; 1" shank diameter; 6" all over length; Coolant thru. Extra 4 inserts Drill body nickel plated. Coolant hole thread 1/4" NPT