3/4" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Flute Length 3-1/2"

Flute Length 3-1/2"

Tekton alignment punches can be used to align holes to position parts

Screw machine drills are popular in the automotive and construction industries

Size m33 x 2

Create more slots for any number of drivers by adding additional pieces

3/4" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Flute Length 3-1/2"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, 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