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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Part Number: DUR030-95
Size: 1-9/32"
Part Number DWRR19/32
Part Number DWTH1-18NPT
Part Number: 75C550HTB5Z/FT
2-3/4" X 1/2" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Part Number: DUR030-95Product 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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