Drill America DEWCBR2INCH 2" X 1/2" Pilot Hole HSS Straight Shank Counterbore, DEWCBR2INCH Shop By Category > Sand Blasting>Gun Assembly Wide Selection of Tools:

Wide Selection of Tools:

Nampowerâ„¢ Disc Brushes provide greater rigidity and stability

Coilhose 8803 Heavy Duty Series Regulator

Flute Length: 3-3/4

Chadwick & Trefethen 61170 17mm Spiral Hand Expansion Reamer

Drill America DEWCBR2INCH 2" X 1/2" Pilot Hole HSS Straight Shank Counterbore, DEWCBR2INCH Shop By Category > Sand Blasting>Gun Assembly Wide Selection of Tools:Drill America DEWCBR2INCH 2" X 1 2" Pilot Hole HSS Straight Shank Counterbore, DEWCBR2INCH Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores