31/32x5/16 Pilot Hole HSS Straight Shank Counterbore

Name: DRILL AMERICA :- 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.
Brand: DRILL AMERICA
SKU: CBFX-518722
Price: 49.49 USD
Availability: InStock

About The .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

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. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. 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.

Cutting Tools,Porting Tools & Counterbores,Counterbores