13/32" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Flute Length 10-1/4"

Flute Length 10-1/4"

Shank Size: 29/64"

Part Number DWTT39X3

Full Back of Hand Low Profile TPR Impact Protection

Tap Drill Size 1-19/64"

13/32" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Flute Length 10-1/4"Product 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