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Enhance your safety and performance with the Drill America - 7/8 Precison Made Lathe Mandrel
providing convenient and hassle-free operation
providing versatility in metalworking
Upgrade your pipeline welding efficiency with the Sawyer Out Of Round Attachment for Quick Set Beveling Machine
Enhance your safety and performance with the Drill America - 9/16-14 UNS HSS Bottoming Tap
1" 1-1/16" Continuous Pilot Capscrew Counterbore - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories Enhance your safety and performanceCounterboring 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