#11 Pilot x 7/16" 100 Deg HSS 1/4-28 Threaded Shank Stop Countersink 5065180 30 degree Right Hand Spiral

30 degree Right Hand Spiral Center Cutting

while the top surface offers additional workspace with the lid closed

2-5/8" Gauges

koken - 3/4"dr socket - 12 point - 44mm

#11 Pilot x 7/16" 100 Deg HSS 1/4-28 Threaded Shank Stop Countersink 5065180 30 degree Right Hand SpiralCountersink 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; #11 Body diameter: 7 16" Shank thread: 1 4 28 Included angle: 100 degrees