12" Half Round Second File BoltsandNuts.com The socket is coated with

The socket is coated with a manganese phosphate finish to resist corrosion and has both a high-visibility laser size marking and a permanent stamped size marking

Thread Size: M16-2

Countersink Angle: 100 Degrees

Shank Size: G

Part Number DEW2180

12" Half Round Second File BoltsandNuts.com The socket is coated withProduct Description Rounded on one side, flat on the other. Used on concave and convex as well as flat surfaces. The backs of all Half Round Bastard Files are double cut. The backs of all Half Round Second Cut Files longer than 6 inches are double cut, the 4 and 6 inches files are single cut. The backs of all Half Round Smooth Files are single cut. The flat sides of all Half Files are double cut. Brand Drill America Part Number DIC05125 Size 12"