Drill America DEWA/CCBR29/32 29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank, DEWA/CCBR29/32
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Drill America DEWA/CCBR29/32 29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank, DEWA/CCBR29/32
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: 29/32, Material: High Speed Steel, Finish: Uncoated (Bright), Overall Length: 3-1/8, Shank Size: 1/4, Shank Type: Round
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