16 Counterbore Pilot

$7 37 each

Stock Item:: Stock items typically ship within 2-3 business days
UPC:: 887861164443
SKU:: DEWPIL9/16X5/16
SIZE:: 9/16
OVERALL LENGTH:: 2-1/8
Material:: High Speed Steel
Finish:: Uncoated (Bright)

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