Union Butterfield 6210161 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 1 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005532 6210161 4706

Union Butterfield 6210151 4706 Aircraft Short Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 11/16 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005542 6210151 4706

Union Butterfield 6210140 4706 Aircraft Short Straight Shank Union Butterfield Interchangeable Pilot Counterbore, 11/32 in Dia Bore, 1/4 in Dia Shank, 2-3/8 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6005546 6210140 4706

Union Butterfield 6210155 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 13/16 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005553 6210155 4706

Union Butterfield 6210142 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 13/32 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005557 6210142 4706

Union Butterfield 6210144 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 15/32 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005566 6210144 4706

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

Union Butterfield 6210126 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 7/8 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in

UNIO 6005523 6210126 4705

Union Butterfield 6210117 4705 Aircraft Long Straight Shank Interchangeable Pilot Counterbore, 9/16 in Dia Bore, 1/2 in Dia Shank, 5-3/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005526 6210117 4705

Union Butterfield 6210145 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 1/2 in Dia Bore, 1/4 in Dia Shank, 2-13/16 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 1/8 in

UNIO 6005535 6210145 4706

Union Butterfield 6210137 4706 Aircraft Short Straight Shank Interchangeable Pilot Counterbore, 1/4 in Dia Bore, 1/4 in Dia Shank, 2-3/8 in OAL, 4 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/32 in

UNIO 6005540 6210137 4706