Drill America DEWCBRTS2-1/8 2-1/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore, DEWCBRTS2-1/8 Shop By Category > Measurement>Angle Finders Flexible Design: Easily fits into

Flexible Design: Easily fits into hard-to-reach applications

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Drill America DEWCBRTS2-1/8 2-1/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore, DEWCBRTS2-1/8 Shop By Category > Measurement>Angle Finders Flexible Design: Easily fits intoDrill America DEWCBRTS2 1 8 2 1 8" X 1 2" Pilot Hole HSS Taper Shank Counterbore, DEWCBRTS2 1 8 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