Get the Drill America - 3/8-30 UNS HSS Tap Set and experience the perfect combination of performance and protection for your professional needs
Get the Drill America - 1/8-27/64 100 Degree Countersink and experience the perfect combination of performance and protection for your professional needs
Why Choose Drill America - 5/32-40 UNS HSS Bottoming Tap
making it the perfect choice for professional welders and fabricators
Design: Long sleeve with front zipper and snap closures
2-1/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Sets & Kits 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