Creates a 90 Degree countersink that accepts a flat-head fastener so it sits flush with the surface.
- Three flutes provide better chip clearance than four flutes to prevent clogging
- High-speed steel (HSS) provides hardness for wear resistance
- Uncoated (bright) finish has no additional surface treatment or coating for cutting soft ferrous and nonferrous materials
- Single-ended tool has a round shank that accommodates most drill chucks