A unique 6-fluted countersink designed to eliminate the chatter commonly encountered when using conventional countersinks.

Aircraft Counterbore, 13/16" Dia., 3/16" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

A unique 6-fluted countersink designed to eliminate the chatter commonly encountered when using conventional countersinks.

A unique 6-fluted countersink designed to eliminate the chatter commonly encountered when using conventional countersinks.

1/4" Dia, 3/32" Pilot Hole. Made of High Speed Steel. Requires AT404 series pilot.

5/8" Diameter. Overall length 1.19". Solid carbide tip for long life. 1/4X28 thread. Fits standard microstops

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.

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

3/16" Pilot Dia., 1/8" Shank. Fits 4000 series counterbores.

#30 Pilot Dia., 3/32" Shank. Fits 4000 series counterbores.

1/8" Pilot Dia., 3/32" Shank. Fits 4000 series counterbores.

5/8" Dia, 1/4" Pilot Hole. Made of High Speed Steel. Requires AT404 series pilot.