1/2" 100° HSS Single Flute Countersink 12" HSS Aircraft Number Drills Made of high speed steel

Made of high speed steel with a 118° conventional point

as well as a 3/4" reduced shank that can be used in a wide range of tool-holding systems

The exclusive single radial concave flute creates perfectly round holes in metal

The length between the chucking slot on the shank to the end of the shank is a standard 3/8"

Thanks to its high red hardness

1/2" 100° HSS Single Flute Countersink 12" HSS Aircraft Number Drills Made of high speed steelSpecifications SIZE 1 2" OVERALL LENGTH 2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1 4" NUMBER OF FLUTES 1 SHANK TYPE ROUND CUTTING ANGLE 100 SUGGESTED PACK QTY 1 Single flute countersinks are great for chamfering, deburring, and countersinking, and they provide a smooth finish on materials such as aluminum, plastic, and wood.