11/32" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: 87C350HCS8Y

Part Number: 87C350HCS8Y

Part Number: BIT-DEWSFC1/2-90

The exact contents vary

Part Number: 50D550HLGSS/316

11/32" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number: 87C350HCS8YProduct 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