BRUBAKER, 1-1/4″ HSS, 6.0″ LOC, 6 FLUTE, 30° HELIX ENDMLL 80078-00-B 1-1/4″, 6 FLUTE HSS END MILL. 8-1/2″ (8-1/2″) O.A.L. 6.0″ (6.0″) LENGTH OF CUT.