1" X 3/16" HSS Aircraft Counterbore 1/4" Shank BoltsandNuts.com 5 HRC for use on

5 HRC for use on impact wrenches

The Tekton 11-tool Hex T-Handle Key Stand is custom designed for Tekton T-handle key wrenches

Part Number INSHTS-1

Diameter: #6-32

Part Number: VibraTite90728oz

1" X 3/16" HSS Aircraft Counterbore 1/4" Shank BoltsandNuts.com 5 HRC for use onProduct 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