7/8" X 3/16" HSS Aircraft Counterbore 1/4" Shank
Mfr # DEWA/CCBR7/8
Zoro # G1742276
product price: $43.55
/eaKey Features
Overall Length
3-1/8"
Shank Dia.
1/4 in
Material - Machining
High Speed Steel
Number of Flutes
4
Bore Dia.
7/8"
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Product Information
MFR #
DEWA/CCBR7/8
Zoro #
G1742276
UPC #
887861128834
Country of Origin
China
Dimensions
Overall Length
3-1/8"
Shank Dia.
1/4 in
Bore Dia.
7/8"
Pilot Dia.
3/16 in
Body Dia.
7/8 in
Size- Decimal
0.875 in
Shank Size
1/4"
Size
7/8 in
Details
Material - Machining
High Speed Steel
Number of Flutes
4
Shank Type
Round
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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