5/8" X 3/8" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Tap & Dies High speed steel hex dies

High speed steel hex dies are for re-threading or cleaning bruised or rusty threads or making new threads

Enhance your safety and performance with the Drill America - 3 x 3/64 x 1 Plain Metal Slitting Saw

The Sawyer Qwik Clamp sets a new standard for aligning small diameter pipes with precision and simplicity

Choose the Drill America - 7/16 X 7/16 82 Degree Piloted Countersink for unmatched reliability and performance

5/8" X 3/8" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Tap & Dies High speed steel hex diesCounterboring 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