7/32" Pilot Dia., 3/16" Shank. Fits 4000 series counterbores.

1/4" Dia., Length 2-3/8", pilot 3/32". used with 1400P series pilots. 4 flute. Made of High Speed Steel. Requires 1400P series pilot.

Aircraft Counterbore, 9/32" Dia., 3/32" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Aircraft Counterbore, 25/32" Dia., 3/16" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Aircraft Counterbore, 23/32" Dia., 3/16" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Aircraft Counterbore, 31/32" Dia., 3/16" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Aircraft Counterbore, 29/32" Dia., 3/16" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Hollow cutters are designed to cut away swagged or threaded collars from fasteners so that the fastener pin can be easily removed. Hollow cutters are ideal for removing Hi-Shear® rivets.

Hollow cutters are designed to cut away swagged or threaded collars from fasteners so that the fastener pin can be easily removed. Hollow cutters are ideal for removing Hi-Shear® rivets.

Hollow cutters are designed to cut away swagged or threaded collars from fasteners so that the fastener pin can be easily removed. Hollow cutters are ideal for removing Hi-Shear® rivets.

3/8" Dia, 1/8" Pilot Hole. Made of High Speed Steel. Requires AT404 series pilot.

Hollow cutters are designed to cut away swagged or threaded collars from fasteners so that the fastener pin can be easily removed. Hollow cutters are ideal for removing Hi-Shear® rivets.