Drill America DEWPIL1-1/8X1/2 1-1/8″ X 1/2″ Pilots for Counterbore, DEWPIL1-1/8X1/2

Drill America DEWPIL1-1/8X1/2 1-1/8″ X 1/2″ Pilots for Counterbore, DEWPIL1-1/8X1/2

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 are made of two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangable, which provides flexibility in the use of the tool.

Size: 1-1/8, Material: High Speed Steel, Finish: Uncoated (Bright), Overall Length: 2-3/4, Shank Size: 1/2, Shank Type: Round

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