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3/4" X 1/4" Pilot Hole HSS Straight Shank Counterbore
Mfr # DEWCBR3/4
Zoro # G1741226
product price:Â
$
37.99
/ea
Key Features
Overall Length
5-3/8"
Shank Dia.
1/2 in
Material - Machining
High Speed Steel
Number of Flutes
3
Bore Dia.
3/4"
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Specifications
Details
- MFR #
- DEWCBR3/4
- Zoro #
- G1741226
- UPC #
- 887861129251
- Country of Origin
- China
- Material - Machining
- High Speed Steel
- Number of Flutes
- 3
- Shank Type
- Straight
- Finish
- Uncoated (Bright)
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.