Cleveland C46176 High-Speed Steel Countersink, Steam Oxide Finish, 3 Flute, 1/2' Shank Diameter, 3/4' Size, 90 Degrees Point (Pack of 1): Industrial & Scientific. Cleveland C46176 High-Speed Steel Countersink, Steam Oxide Finish, 3 Flute, 1/2" Shank Diameter, 3/4" Size, 90 Degrees Point (Pack of 1): Industrial & Scientific. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance 。 Steam oxide finish 。 Round shanks allow use with a wide variety of toolholding systems 。 Three flutes 。 Applicable for carbon steel and cast iron materials 。 general purpose three-flute countersink. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Stem oxide finish. Round shanks allow use with a wide variety of inches toolholding systems. Applicable for carbon steel and cast iron materials. /4-inches tool diameter and 90 degrees point angle. 。 。 。