43/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: M16X100DPAPL

Part Number: M16X100DPAPL

Part Number: 87C650HSBA325PL/PT

Decimal Size: 1

Part Number: 75C175HCSL9Y

Length 10"

43/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: M16X100DPAPLProduct 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