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Drill America
3/4"x1/4" Pilot Hole HSS Straight Shank Counterbore
Mfr # DEWCBR3/4
Zoro # G1741226
$32.15
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Key Features
- Bore Dia. 3/4"
- Overall Length 5-3/8"
- Shank Type Straight
- Size- Decimal 0.75 in
- Finish Uncoated (Bright)
Product Information
- Brand Drill America
- MFR # DEWCBR3/4
- Zoro # G1741226
- UPC # 887861129251
- Country of Origin China
- Category Counterbores
Dimensions
Bore Dia. | 3/4" |
Overall Length | 5-3/8" |
Size- Decimal | 0.75 in |
Shank Size | 1/2" |
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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