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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Part Number DWTSR1-1216
Part Number: M16X90DPPOAPL
Part Number DWTH1316-51618
Part Number DWD26S-SET
Part Number DWTHX1386
49/64" X 1/4" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number DWTSR1-1216Product 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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