17/32" X 3/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Tap & Dies providing flexibility and customization

providing flexibility and customization

Horizontal Adjustment: Allows the torch to be moved independently

Size: 2-5/8"

Size: 2-5/8"-16

17/32" X 3/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Tap & Dies providing flexibility and customizationCounterboring 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 counterbore cutter, and a