2-7/8" X 1/2" Straight Shank Counterbore | HSS | 1-3/4" Round Shank | 5 Flute | DEWCBR2-7/8 MS51971-2 Finish: Thermally Black Oxide provides

Finish: Thermally Black Oxide provides mild corrosion resistance and a clean

Material Steel provides adequate strength for general sheet metal fastening and assemblies requiring reliable shear and tensile performance

Reduced shank design preserves cutting-edge geometry under heavy cutting loads

Flat Head countersunk design for flush surface and improved aesthetic in visible panels

2-7/8" X 1/2" Straight Shank Counterbore | HSS | 1-3/4" Round Shank | 5 Flute | DEWCBR2-7/8 MS51971-2 Finish: Thermally Black Oxide providesIndustrial counterbore tooling optimized for precision in metalworking environments. Engineered to deliver consistent depth control and robust performance in production settings. Specs Cutting diameter: 2 7 8 inch Shank diameter (straight): 1 2 inch Shank diameter (round): 1 3 4 inch Flute count: 5 Material grade: HSS Features Application: Counterboring operations for through holes in metalworking; creates flat bottom recess for socket head cap