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Why Choose Drill America - 1-3/4-16 UNS HSS Bottoming Tap
this tester delivers consistent and precise results
Get the Drill America - 1-11/16-12 UNS HSS Taper Tap and experience the perfect combination of performance and protection for your professional needs
The robust brushless motor and intelligent speed control ensure accurate cutting
Drill America - 5 x 1 x 1-1/4 45 degree HSS Double Angle Cutter
1" X 7/16" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Sets & kits Why Choose 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