2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: EZ-EZ-329-524

Part Number: EZ-EZ-329-524

The Tekton 6-Tool Hex L-Key Rack is intended for use with 7/16–3/4 inch hex L-keys

Part Number: 75D800CABZ/TAPKING

9 Hex Flange Bolts DIN 6921 Black Phosphate & Oil

and a stacking drawer rack

2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: EZ-EZ-329-524Product 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