Made in the U.S.A.! This single flute countersink set includes chatterless countersinks which have flutes designed for fast shearing. Theyre ideal for hardened steel and other tough alloys. The set includes sizes: 1/4", 3/8", 1/2", 3/4" and 1" diameter. * HTC Countersink sets now come in a hard plastic cylindrical container.
