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They can be used for general-purpose milling including profiling and open-ended slots and keyways
Overall Length: 7-1/4"
Why Choose Drill America - 1/4-64 UNS HSS Taper Tap
or cylindrical workpieces during machining
13/16" X 1/4" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Hole saws They can be used forCounterboring 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
US$ 25.00
US$ 59.99
US$ 34.99