This is the original single flute countersink designed for general purpose countersinking, chamfering or deburring.
• Self piloting and completely chatterless.
• No secondary burs formed.
• Each size may be used on a wide range of hole diameters.
• Use on machine tool or in handheld tool applications.
• Easily resharpened.
• Tin coating for higher hardness and increased lubricity.