#20 Pilot x 1/2" 100 Deg HSS 1/4-28 Threaded Shank Stop Countersink B97-MITSUBA Flute length 3-15/16"

Flute length 3-15/16"

This set allows a cut-out of pellets up to a diameter of 10 mm

Drill size 3

Offers the best useful life and best chipbreaking in a wide range of cutting data and

#20 Pilot x 1/2" 100 Deg HSS 1/4-28 Threaded Shank Stop Countersink B97-MITSUBA Flute length 3-15/16"Countersink cutters may be used in all popular adjustable or micro stop countersinking units utilizing a threaded shank drive. Made from the finest high speed tool steel. Precision ground to exacting tolerances and form relieved to insure concentricity of countersink angle Pilot diameter; #20 Body diameter: 1 2" Shank thread: 1 4 28 Included angle: 100 degrees