2-1/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore
Mfr # DEWCBR2-1/4
Zoro # G1746598
product price: $226.99
/ea
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Key Features
Overall Length
9-7/8"
Shank Dia.
1-1/2 in
Material - Machining
High Speed Steel
Number of Flutes
5
Bore Dia.
2-1/4"
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Product Information
MFR #
DEWCBR2-1/4
Zoro #
G1746598
UPC #
887861129596
Country of Origin
China
Dimensions
Overall Length
9-7/8"
Shank Dia.
1-1/2 in
Bore Dia.
2-1/4"
Body Dia.
2-1/4 in
Size- Decimal
2.25 in
Pilot Dia.
1/2 in
Shank Size
1-1/2"
Size
2-1/4 in
Details
Material - Machining
High Speed Steel
Number of Flutes
5
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.
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