27/32" X 1/4" Pilot Hole HSS Taper Shank Counterbore BoltsandNuts.com Part Number KFD3F1-11/32

Part Number KFD3F1-11/32

Part Number: BIT-DWDRSD1-3/64

Part Number DMS04-8027

Pilot Dia 11/64"

Part Number DWRRTPS7/0

27/32" X 1/4" Pilot Hole HSS Taper Shank Counterbore BoltsandNuts.com Part Number KFD3F1-11/32Product 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