Countersink: 1/2 in Body Dia., 5/16 in Shank Dia., Bright (Uncoated) Finish, 2 in Overall Lg
Cobalt steel zero-flute countersinks provide good wear resistance when machining hard materials at high speeds. Zero-flute countersinks have a single flute that passes through the center of the countersink. This minimizes vibration and chatter during use and prevents chips from sticking to the tool. Zero-flute countersinks leave smooth, clean edges on holes and are used to expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. They are commonly used for installing aluminum frame storefronts, glass and window design, and architectural metalworking applications.
|Grainger Dropship||1DBP7||Countersink/ Deburring|
|VMRS (ATA) CODES||053-006-009||Countersink/ Deburring|
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