63/64" X 5/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Repair Kits Overall Length: 18-3/4"

Overall Length: 18-3/4"

Get the Drill America - 5 x 1 x 1-1/4 60 degree Right Hand Single Angle Cutter and experience the perfect combination of performance and protection for your professional needs

even in dense wood

Size: 2-3/16"-12

offering versatility for different pipeline applications

63/64" X 5/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Repair Kits Overall Length: 18-3/4"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 counterbore cutter, and a