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13/16″ X 1/2″ Pilots for Counterbore DEWPIL13/16X1/2

Original price was: $19.17.Current price is: $12.09.

SKU: F120112642 Category:

Description

Description

Size: 13/16, Material: High Speed Steel, Finish: Uncoated (Bright), Overall Length: 2-3/4, Shank Size: 1/2, Shank Type: RoundCounterboring 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.