21/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank

$56.81 · Available to order · SKU 19477

<p><strong>Product Description</strong><br>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.<br><br><strong>Brand </strong>Drill America<br><strong>Part Number </strong>DEWA/CCBR21/32<br><strong>Body Dia </strong>21/32"<br><strong>Material </strong>High Speed Steel<br><strong>Pilot Dia </strong>3/16"<br><strong>Shank Size </strong>1/4"<br><strong>Shank Type </strong>Round<br><strong>Finish </strong>Uncoated (Bright)<br><strong>Number of Flutes </strong>4<br><strong>Length </strong>3-1/8"</p>

Specifications

Other options

Size: 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16, 19/32, 5/8, 21/32, 11/16, 23/32, 3/4, 25/32, 13/16, 27/32

Length: 3/32, 1/8, 3/16

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