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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Size: 47/64"
Gold and black surface treated for use in stainless steel and other hard metal drilling
Part Number DWTSMT38X4
Part Number DWT54781
Part Number DWRR5
15/16" X 1/4" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Size: 47/64"Product 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
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