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Drill America - 1/2 x 2-1/4 x 7/8 Hole Convex Cutter
Flute Length: 7-3/8"
Enhance your safety and performance with the Drill America - 7/8 Precison Made Lathe Mandrel
Enhance your safety and performance with the Drill America - 5/8 G PILOT 100deg THREADED SHK CSINKS
providing convenient and hassle-free operation
1" 1-1/16" Continuous Pilot Capscrew Counterbore - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories Drill America - 1/2 xCounterboring 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