5/16 X 1/4 Counterbore Pilot
5/16 X 1/4 Counterbore Pilot
5/16 X 1/4 Counterbore Pilot
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Drill America

5/16 X 1/4 Counterbore Pilot

SKU: DEWPIL5/16X1/4
Stock Item: Stock items typically ship within 2-3 business days
UPC: 887861163996
SIZE: 5/16
OVERALL LENGTH: 1-7/8
Material: High Speed Steel
Finish: Uncoated (Bright)
$5.14 each
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Product 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 The Hole Is Enlarged To A Considerable Depth, It Is Designated As Counterboring

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