33/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Flute Length: 4-3/8"

Flute Length: 4-3/8"

Tap Drill Size #28

Part Number: M16X45DPAPL

Point Angle: 135°

and reposition the tool with one hand and with more control than a traditional pinch-style lever

33/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Flute Length: 4-3/8"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