63/64" X 5/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: BIT-DMS04-1040

Part Number: BIT-DMS04-1040

Size 2"-82

Part Number KFD3F1-9/32

Flute Length: 2-3/8"

Size: #5 (1/4" - 1-3/8" by 1/8")

63/64" X 5/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: BIT-DMS04-1040Product 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