5/16" X 1/4" Pilots for Counterbore
Mfr # DEWPIL5/16X1/4
Zoro # G1746710
product price: $6.69
/eaSold in multiples of 2 for $13.38
Key Features
Overall Length
1-7/8"
Shank Dia.
1/4 in
Material - Machining
High Speed Steel
Bore Dia.
5/16"
Shank Type
Round
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Product Information
MFR #
DEWPIL5/16X1/4
Zoro #
G1746710
UPC #
887861163996
Country of Origin
China
Dimensions
Overall Length
1-7/8"
Shank Dia.
1/4 in
Bore Dia.
5/16"
Size- Decimal
0.3125 in
Shank Size
1/4"
Size
5/16 in
Details
Material - Machining
High Speed Steel
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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