17/64" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: M16X70DPOSAPL

Part Number: M16X70DPOSAPL

The straight-flute and spiral-flute reamers are generally used by hand while the helical-flute is designed for machine use

Part Number: 2502-186-5295

Part Number DWRR45

17/64" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: M16X70DPOSAPLProduct 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