Union Butterfield 6210039 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 1/2 in Dia Bore, 7/16 in Dia Shank, 4-5/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004944 6210039 4702

Union Butterfield 6210031 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 1/4 in Dia Bore, 15/64 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6004948 6210031 4702

Union Butterfield 6210055 4702 Short Set Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 1 in Dia Bore, 3/4 in Dia Shank, 6-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/16 in

UNIO 6004900 6210055 4702

Union Butterfield 6210045 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 11/16 in Dia Bore, 1/2 in Dia Shank, 5-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004952 6210045 4702

Union Butterfield 6210034 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 11/32 in Dia Bore, 5/16 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6004956 6210034 4702

Union Butterfield 6210049 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 13/16 in Dia Bore, 5/8 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004962 6210049 4702

Union Butterfield 6210036 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 13/32 in Dia Bore, 3/8 in Dia Shank, 4-1/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/32 in

UNIO 6004965 6210036 4702

Union Butterfield 6210038 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 15/32 in Dia Bore, 7/16 in Dia Shank, 4-5/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004971 6210038 4702

Union Butterfield 6210042 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 19/32 in Dia Bore, 1/2 in Dia Shank, 5-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004978 6210042 4702

Union Butterfield 6210065 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 2 in Dia Bore, 1-1/2 in Dia Shank, 8-3/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/2 in

UNIO 6004980 6210065 4702

Union Butterfield 6210048 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 25/32 in Dia Bore, 5/8 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004984 6210048 4702

Union Butterfield 6210050 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 27/32 in Dia Bore, 3/4 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004988 6210050 4702

Union Butterfield 6210047 4702 Short Set Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 3/4 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004845 6210047 4702

Union Butterfield 6210035 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 3/8 in Dia Bore, 5/16 in Dia Shank, 4-1/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/32 in

UNIO 6004891 6210035 4702

Union Butterfield 6210033 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 5/16 in Dia Bore, 19/64 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6004967 6210033 4702

Union Butterfield 6210043 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 5/8 in Dia Bore, 1/2 in Dia Shank, 5-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004973 6210043 4702

Union Butterfield 6210037 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 7/16 in Dia Bore, 3/8 in Dia Shank, 4-1/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/32 in

UNIO 6004976 6210037 4702

Union Butterfield 6210051 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 7/8 in Dia Bore, 3/4 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004979 6210051 4702

Union Butterfield 6210041 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 9/16 in Dia Bore, 1/2 in Dia Shank, 4-5/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004981 6210041 4702

Union Butterfield 6210032 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 9/32 in Dia Bore, 17/64 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6004806 6210032 4702

Union Butterfield 6210074 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1/2 in Dia Bore, 1 in Dia Shank, 4-5/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004857 6210074 4703

Union Butterfield 6210087 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1 in Dia Bore, 3 in Dia Shank, 6-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/16 in

UNIO 6004810 6210087 4703

Union Butterfield 6210080 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 11/16 in Dia Bore, 2 in Dia Shank, 5-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6004865 6210080 4703

Union Butterfield 6210088 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-1/16 in Dia Bore, 3 in Dia Shank, 6-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/16 in

UNIO 6004815 6210088 4703

Union Butterfield 6210094 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-1/2 in Dia Bore, 4 in Dia Shank, 7-7/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/8 in

UNIO 6004819 6210094 4703

Union Butterfield 6210091 4703 Short Set Taper Shank Union Butterfield Interchangeable Pilot Counterbore, 1-1/4 in Dia Bore, 3 in Dia Shank, 6-5/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/8 in

UNIO 6004822 6210091 4703

Union Butterfield 6210089 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-1/8 in Dia Bore, 3 in Dia Shank, 6-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/16 in

UNIO 6004825 6210089 4703

Union Butterfield 6210084 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 13/16 in Dia Bore, 2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004869 6210084 4703

Union Butterfield 6210090 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-3/16 in Dia Bore, 3 in Dia Shank, 6-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/16 in

UNIO 6004829 6210090 4703

Union Butterfield 6210093 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-3/8 in Dia Bore, 3 in Dia Shank, 6-5/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/8 in

UNIO 6004837 6210093 4703

Union Butterfield 6210086 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 15/16 in Dia Bore, 2 in Dia Shank, 6-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004873 6210086 4703

Union Butterfield 6210095 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 1-5/8 in Dia Bore, 4 in Dia Shank, 8-1/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 7/16 in

UNIO 6004849 6210095 4703

Union Butterfield 6210098 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 2 in Dia Bore, 4 in Dia Shank, 8-3/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/2 in

UNIO 6004877 6210098 4703

Union Butterfield 6210099 4703 Short Set Taper Shank Union Butterfield Interchangeable Pilot Counterbore, 2-1/8 in Dia Bore, 5 in Dia Shank, 9-7/8 in OAL, 5 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/2 in

UNIO 6004896 6210099 4703

Union Butterfield 6210082 4703 Short Set Taper Shank Union Butterfield Interchangeable Pilot Counterbore, 3/4 in Dia Bore, 2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004902 6210082 4703

Union Butterfield 6210085 4703 Short Set Taper Shank Interchangeable Pilot Counterbore, 7/8 in Dia Bore, 2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/4 in

UNIO 6004918 6210085 4703

Union Butterfield 6210115 4705 Aircraft Long Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 1/2 in Dia Bore, 7/16 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005654 6210115 4705

Union Butterfield 6210107 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 1/4 in Dia Bore, 15/64 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6005658 6210107 4705

Union Butterfield 6210121 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 11/16 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005663 6210121 4705

Union Butterfield 6210125 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 13/16 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005671 6210125 4705

Union Butterfield 6210127 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 15/16 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005686 6210127 4705

Union Butterfield 6210116 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 17/32 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005549 6210116 4705

Union Butterfield 6210118 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 19/32 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005603 6210118 4705

Union Butterfield 6210120 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 21/32 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005652 6210120 4705

Union Butterfield 6210124 4705 Aircraft Long Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 25/32 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005709 6210124 4705

Union Butterfield 6210123 4705 Aircraft Long Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 3/4 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005712 6210123 4705

Union Butterfield 6210111 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 3/8 in Dia Bore, 5/16 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6005715 6210111 4705

Union Butterfield 6210109 4705 Aircraft Long Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 5/16 in Dia Bore, 19/64 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6005718 6210109 4705

Union Butterfield 6210119 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 5/8 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005517 6210119 4705

Union Butterfield 6210113 4705 Aircraft Long Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 7/16 in Dia Bore, 3/8 in Dia Shank, 3-13/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005520 6210113 4705