7/8" X 1/4" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Part Number DWRRSP1-7/16

Part Number DWRRSP1-7/16

Part Number: BIT-DWTHSHEX7814

Size m42 x 4

Precise Steel Bit – Bit is made of S2 heat-treated steel and is machined to precise tolerances for an exact fit with fasteners • Straight

NPT Pipe Tap and Drill Bit Kit

7/8" X 1/4" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Part Number DWRRSP1-7/16Product 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