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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Part Number: BIT-KFDD
Tap Size 1/2"-20
Part Number DWTB1-3/4-5
Part Number: 060A-95-WFS
Just grab them and go—no adjustments
3" X 1/2" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number: BIT-KFDDProduct 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
