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Enhance your safety and performance with the Drill America - 2-3/8-8 UNS HSS Tap Set
Drill America Solid Carbide Burs are designed for cleaning out material in a wide-range of products including wood
Enhance your safety and performance with the Drill America - 3/8-56 UNS HSS Bottoming Tap
Drill America - 1-24 UNS HSS Tap Set
Why Choose Drill America - 1-3/16-20 UNS HSS Taper Tap
1/2" X 3/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Hot Deals Enhance your safety and performanceCounterboring 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