Get the Drill America - 2-1/2-4 UNS HSS Tap Set and experience the perfect combination of performance and protection for your professional needs
Why Choose Drill America - 3/16-17/32 82 Degree Pilotless Countersink
this clamp facilitates full 360-degree welding without the need for additional tack welding
Introducing the Sawyer Upright Torch Holder
Enhance your safety and performance with the Drill America - 1-5/16-16 UNS HSS Taper Tap
1-1/16" X 5/16" Pilot Hole HSS Taper Shank Counterbore - High Performance & Durable Cutting Tool | Drill America End Mills & Milling Cutters Get the Drill America -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