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Drill America
7/16"x1/8" HSS Aircraft Counterbore 1/4" Shank
Mfr # DEWA/CCBR7/16
Zoro # G1742784
$24.15
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Key Features
- Bore Dia. 7/16"
- Overall Length 2-13/16"
- Shank Type Round
- Size- Decimal 0.4375 in
- Finish Uncoated (Bright)
Product Information
- Brand Drill America
- MFR # DEWA/CCBR7/16
- Zoro # G1742784
- UPC # 887861128698
- Country of Origin China
- Category Counterbores
Dimensions
Bore Dia. | 7/16" |
Overall Length | 2-13/16" |
Size- Decimal | 0.4375 in |
Shank Size | 1/4" |
Details
Description
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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