1" X 1/2" Pilots for Counterbore BoltsandNuts.com Part Number DEWTBCOB1-1/4

Part Number DEWTBCOB1-1/4

These hole saws fit industry standard and Drill America arbors

Part Number DEWES1-5

the more the jaws naturally clamp onto the workpiece

Part Number: 50C800BCGSS/316

1" X 1/2" Pilots for Counterbore BoltsandNuts.com Part Number DEWTBCOB1-1/4Product Description 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