29/32" X 1/4" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Reamers Thread Type: UNS

Thread Type: UNS

Size: m20 x 2

Taper Shank

It holds everything in place perfectly

Superior Protection: Rated at 9

29/32" X 1/4" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Reamers Thread Type: UNSCounterboring 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