US$ 20.00
Part Number CTH1687
Part Number: BIT-KFDJ
Part Number DWDA/CX67/16
Part Number GLBCOX1214
37/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number CTH1687Product 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
US$ 20.00
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