DRILL AMERICA DEWCBRTS1INCH 1"x5/16" Pilot Hole HSS Taper Shank Counterbore

Description

DRILL AMERICA DEWCBRTS1INCH 1"x5/16" Pilot Hole HSS Taper Shank Counterbore
MPN: DEWCBRTS1INCH, SKU: G1739354
This item ships direct from the manufacturer and has an extended handling time. Please see the Delivery section above for an estimated date of arrival.
Product Details
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.
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