2-3/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number: VibraTite6122oz

Part Number: VibraTite6122oz

Part Number: 75C350HCSSS

Part Number DWTS22X2

Part Number: Assortment Kit #321

Precise shallow 12-point opening fits double hex (12-sided)

2-3/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number: VibraTite6122ozProduct 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