13/16" X 5/16" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Drill Bits Drill America - 6 x

Drill America - 6 x 1/16 x 1 HSS Metal Slitting Saw with Side Chip

Get the Drill America - 1-1/8-20 UNS HSS Tap Set and experience the perfect combination of performance and protection for your professional needs

Body Dia: 2-3/8"

accommodating a wide range of welding tasks

13/16" X 5/16" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Drill Bits Drill America - 6 xCounterboring 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