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it can easily meet ASME or API code requirements
“We keep one of these in every truck
making my job much easier
Enhance your safety and performance with the Drill America - 2-3/4-12 UNS HSS Taper Tap
They can also be used on softer materials such as wood
1-15/16" X 7/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files it can easily meet ASMECounterboring 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